V8 5.2 in Laredo but...ECU is not working
01-15-2006, 07:30 PM
#31
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
Not from the factory.
In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>There is on my Jeep too...
>
>Mike
>
>philthy wrote:
>>
>> there is on a gm vehicle
>>
>> bllsht wrote:
>>
>> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >
>> > >Just a wild guess, but have you connected the oil pressure safety shut
>> > >off? There is a switch on the oil pressure sender that will cause the
>> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >
>> > There is no such switch.
>> >
>> > >
>> > >Other than that, I am not sure about the need for two computers to run
>> > >things.
>> > >
>> > >Mike
>> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> > >88 Cherokee 235 BFG AT's
>> > >Canadian Off Road Trips Photos: Non members can still view!
>> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> > >(More Off Road album links at bottom of the view page)
>> > >
>> > >Lex-Lutor wrote:
>> > >>
>> > >> I hope to find some help here about my problem. We made a real monster from
>> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> > >> that engine CPU send stop signal to fuel injectors because there is no
>> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> > >> any solution to make fake signal or emulate board computer ???
>> > >>
>> > >> We need original CPU since electronic unit from automatic transmission will
>> > >> not work without engine CPU.
>> > >>
>> > >> For final solution we can connect board cpu, but it will be too much wires
>> > >> and hard to find safety place inside !
>> > >>
>> > >> Thanks for any help.
>> > >>
>> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> > >> is there any problem to exchange engine cpu between same models ??
In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>There is on my Jeep too...
>
>Mike
>
>philthy wrote:
>>
>> there is on a gm vehicle
>>
>> bllsht wrote:
>>
>> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >
>> > >Just a wild guess, but have you connected the oil pressure safety shut
>> > >off? There is a switch on the oil pressure sender that will cause the
>> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >
>> > There is no such switch.
>> >
>> > >
>> > >Other than that, I am not sure about the need for two computers to run
>> > >things.
>> > >
>> > >Mike
>> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> > >88 Cherokee 235 BFG AT's
>> > >Canadian Off Road Trips Photos: Non members can still view!
>> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> > >(More Off Road album links at bottom of the view page)
>> > >
>> > >Lex-Lutor wrote:
>> > >>
>> > >> I hope to find some help here about my problem. We made a real monster from
>> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> > >> that engine CPU send stop signal to fuel injectors because there is no
>> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> > >> any solution to make fake signal or emulate board computer ???
>> > >>
>> > >> We need original CPU since electronic unit from automatic transmission will
>> > >> not work without engine CPU.
>> > >>
>> > >> For final solution we can connect board cpu, but it will be too much wires
>> > >> and hard to find safety place inside !
>> > >>
>> > >> Thanks for any help.
>> > >>
>> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> > >> is there any problem to exchange engine cpu between same models ??
01-15-2006, 07:38 PM
#32
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
The PCM learns the alarm configuration when it's installed. Once it sees it, it
always expects to see an "OK to run" signal from the alarm module or BCM,
depending on the year. If it doesn't see it, you aren't going anywhere.
That's how it works.
In message <43CAA51C.CED17285@cac.net>, "philthy" wrote:
>and exactly what makes u say that?????
>
>bllsht wrote:
>
>> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
>> wrote:
>>
>> >If this is the case, then ask the $tealer$hip to disable the alarm system in
>> >the PCM you do have. If they have any sense, they will refuse to work on a
>> >highly modified vehicle, but it is worth a call.
>>
>> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
>> disabled. At least not at the dealer.
>>
>> >
>> >Earle
>> >
>> >"philthy" <dbrider@cac.net> wrote in message
>> >news:43C1357E.27010756@cac.net...
>> >> the pcm see a theft occuring and shuts downm the injectors get a different
>> >pcm
>> >> from a vehicl that did not have factroy alarm better known as the skim
>> >system
>> >>
>> >> Lex-Lutor wrote:
>> >>
>> >> > I hope to find some help here about my problem. We made a real monster
>> >from
>> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>> >8-10
>> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
>> >sure
>> >> > that engine CPU send stop signal to fuel injectors because there is no
>> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>> >there
>> >> > any solution to make fake signal or emulate board computer ???
>> >> >
>> >> > We need original CPU since electronic unit from automatic transmission
>> >will
>> >> > not work without engine CPU.
>> >> >
>> >> > For final solution we can connect board cpu, but it will be too much
>> >wires
>> >> > and hard to find safety place inside !
>> >> >
>> >> > Thanks for any help.
>> >> >
>> >> > PS: Just for info, is there any code or other protection inside engine
>> >cpu,
>> >> > is there any problem to exchange engine cpu between same models ??
>> >>
>> >
always expects to see an "OK to run" signal from the alarm module or BCM,
depending on the year. If it doesn't see it, you aren't going anywhere.
That's how it works.
In message <43CAA51C.CED17285@cac.net>, "philthy" wrote:
>and exactly what makes u say that?????
>
>bllsht wrote:
>
>> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
>> wrote:
>>
>> >If this is the case, then ask the $tealer$hip to disable the alarm system in
>> >the PCM you do have. If they have any sense, they will refuse to work on a
>> >highly modified vehicle, but it is worth a call.
>>
>> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
>> disabled. At least not at the dealer.
>>
>> >
>> >Earle
>> >
>> >"philthy" <dbrider@cac.net> wrote in message
>> >news:43C1357E.27010756@cac.net...
>> >> the pcm see a theft occuring and shuts downm the injectors get a different
>> >pcm
>> >> from a vehicl that did not have factroy alarm better known as the skim
>> >system
>> >>
>> >> Lex-Lutor wrote:
>> >>
>> >> > I hope to find some help here about my problem. We made a real monster
>> >from
>> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>> >8-10
>> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
>> >sure
>> >> > that engine CPU send stop signal to fuel injectors because there is no
>> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>> >there
>> >> > any solution to make fake signal or emulate board computer ???
>> >> >
>> >> > We need original CPU since electronic unit from automatic transmission
>> >will
>> >> > not work without engine CPU.
>> >> >
>> >> > For final solution we can connect board cpu, but it will be too much
>> >wires
>> >> > and hard to find safety place inside !
>> >> >
>> >> > Thanks for any help.
>> >> >
>> >> > PS: Just for info, is there any code or other protection inside engine
>> >cpu,
>> >> > is there any problem to exchange engine cpu between same models ??
>> >>
>> >
01-15-2006, 07:38 PM
#33
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
The PCM learns the alarm configuration when it's installed. Once it sees it, it
always expects to see an "OK to run" signal from the alarm module or BCM,
depending on the year. If it doesn't see it, you aren't going anywhere.
That's how it works.
In message <43CAA51C.CED17285@cac.net>, "philthy" wrote:
>and exactly what makes u say that?????
>
>bllsht wrote:
>
>> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
>> wrote:
>>
>> >If this is the case, then ask the $tealer$hip to disable the alarm system in
>> >the PCM you do have. If they have any sense, they will refuse to work on a
>> >highly modified vehicle, but it is worth a call.
>>
>> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
>> disabled. At least not at the dealer.
>>
>> >
>> >Earle
>> >
>> >"philthy" <dbrider@cac.net> wrote in message
>> >news:43C1357E.27010756@cac.net...
>> >> the pcm see a theft occuring and shuts downm the injectors get a different
>> >pcm
>> >> from a vehicl that did not have factroy alarm better known as the skim
>> >system
>> >>
>> >> Lex-Lutor wrote:
>> >>
>> >> > I hope to find some help here about my problem. We made a real monster
>> >from
>> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>> >8-10
>> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
>> >sure
>> >> > that engine CPU send stop signal to fuel injectors because there is no
>> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>> >there
>> >> > any solution to make fake signal or emulate board computer ???
>> >> >
>> >> > We need original CPU since electronic unit from automatic transmission
>> >will
>> >> > not work without engine CPU.
>> >> >
>> >> > For final solution we can connect board cpu, but it will be too much
>> >wires
>> >> > and hard to find safety place inside !
>> >> >
>> >> > Thanks for any help.
>> >> >
>> >> > PS: Just for info, is there any code or other protection inside engine
>> >cpu,
>> >> > is there any problem to exchange engine cpu between same models ??
>> >>
>> >
always expects to see an "OK to run" signal from the alarm module or BCM,
depending on the year. If it doesn't see it, you aren't going anywhere.
That's how it works.
In message <43CAA51C.CED17285@cac.net>, "philthy" wrote:
>and exactly what makes u say that?????
>
>bllsht wrote:
>
>> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
>> wrote:
>>
>> >If this is the case, then ask the $tealer$hip to disable the alarm system in
>> >the PCM you do have. If they have any sense, they will refuse to work on a
>> >highly modified vehicle, but it is worth a call.
>>
>> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
>> disabled. At least not at the dealer.
>>
>> >
>> >Earle
>> >
>> >"philthy" <dbrider@cac.net> wrote in message
>> >news:43C1357E.27010756@cac.net...
>> >> the pcm see a theft occuring and shuts downm the injectors get a different
>> >pcm
>> >> from a vehicl that did not have factroy alarm better known as the skim
>> >system
>> >>
>> >> Lex-Lutor wrote:
>> >>
>> >> > I hope to find some help here about my problem. We made a real monster
>> >from
>> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>> >8-10
>> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
>> >sure
>> >> > that engine CPU send stop signal to fuel injectors because there is no
>> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>> >there
>> >> > any solution to make fake signal or emulate board computer ???
>> >> >
>> >> > We need original CPU since electronic unit from automatic transmission
>> >will
>> >> > not work without engine CPU.
>> >> >
>> >> > For final solution we can connect board cpu, but it will be too much
>> >wires
>> >> > and hard to find safety place inside !
>> >> >
>> >> > Thanks for any help.
>> >> >
>> >> > PS: Just for info, is there any code or other protection inside engine
>> >cpu,
>> >> > is there any problem to exchange engine cpu between same models ??
>> >>
>> >
01-15-2006, 07:38 PM
#34
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
The PCM learns the alarm configuration when it's installed. Once it sees it, it
always expects to see an "OK to run" signal from the alarm module or BCM,
depending on the year. If it doesn't see it, you aren't going anywhere.
That's how it works.
In message <43CAA51C.CED17285@cac.net>, "philthy" wrote:
>and exactly what makes u say that?????
>
>bllsht wrote:
>
>> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
>> wrote:
>>
>> >If this is the case, then ask the $tealer$hip to disable the alarm system in
>> >the PCM you do have. If they have any sense, they will refuse to work on a
>> >highly modified vehicle, but it is worth a call.
>>
>> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
>> disabled. At least not at the dealer.
>>
>> >
>> >Earle
>> >
>> >"philthy" <dbrider@cac.net> wrote in message
>> >news:43C1357E.27010756@cac.net...
>> >> the pcm see a theft occuring and shuts downm the injectors get a different
>> >pcm
>> >> from a vehicl that did not have factroy alarm better known as the skim
>> >system
>> >>
>> >> Lex-Lutor wrote:
>> >>
>> >> > I hope to find some help here about my problem. We made a real monster
>> >from
>> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>> >8-10
>> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
>> >sure
>> >> > that engine CPU send stop signal to fuel injectors because there is no
>> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>> >there
>> >> > any solution to make fake signal or emulate board computer ???
>> >> >
>> >> > We need original CPU since electronic unit from automatic transmission
>> >will
>> >> > not work without engine CPU.
>> >> >
>> >> > For final solution we can connect board cpu, but it will be too much
>> >wires
>> >> > and hard to find safety place inside !
>> >> >
>> >> > Thanks for any help.
>> >> >
>> >> > PS: Just for info, is there any code or other protection inside engine
>> >cpu,
>> >> > is there any problem to exchange engine cpu between same models ??
>> >>
>> >
always expects to see an "OK to run" signal from the alarm module or BCM,
depending on the year. If it doesn't see it, you aren't going anywhere.
That's how it works.
In message <43CAA51C.CED17285@cac.net>, "philthy" wrote:
>and exactly what makes u say that?????
>
>bllsht wrote:
>
>> In message <43c138f4$0$31802$a82e2bb9@reader.athenanews.com >, "Earle Horton"
>> wrote:
>>
>> >If this is the case, then ask the $tealer$hip to disable the alarm system in
>> >the PCM you do have. If they have any sense, they will refuse to work on a
>> >highly modified vehicle, but it is worth a call.
>>
>> Once a PCM 'learns' it's installed in a vehicle equipped with VTSS, it can't be
>> disabled. At least not at the dealer.
>>
>> >
>> >Earle
>> >
>> >"philthy" <dbrider@cac.net> wrote in message
>> >news:43C1357E.27010756@cac.net...
>> >> the pcm see a theft occuring and shuts downm the injectors get a different
>> >pcm
>> >> from a vehicl that did not have factroy alarm better known as the skim
>> >system
>> >>
>> >> Lex-Lutor wrote:
>> >>
>> >> > I hope to find some help here about my problem. We made a real monster
>> >from
>> >> > one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > (year 1996) is now fit inside this Jeep. After we start engine it runs
>> >8-10
>> >> > seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > sensors are connected OK), since we use only engine CPU I'm pretty much
>> >sure
>> >> > that engine CPU send stop signal to fuel injectors because there is no
>> >> > signal form board computer, (CPU unit inside Grand Cherokee cabin) Is
>> >there
>> >> > any solution to make fake signal or emulate board computer ???
>> >> >
>> >> > We need original CPU since electronic unit from automatic transmission
>> >will
>> >> > not work without engine CPU.
>> >> >
>> >> > For final solution we can connect board cpu, but it will be too much
>> >wires
>> >> > and hard to find safety place inside !
>> >> >
>> >> > Thanks for any help.
>> >> >
>> >> > PS: Just for info, is there any code or other protection inside engine
>> >cpu,
>> >> > is there any problem to exchange engine cpu between same models ??
>> >>
>> >
01-16-2006, 09:20 AM
#35
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
What are you talking about?
It most 'certainly' does have an oil pressure safety switch!
On my CJ7 that switch is used to control the manifold heater and the
electric choke.
Mike
bllsht wrote:
>
> Not from the factory.
>
> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>
> >There is on my Jeep too...
> >
> >Mike
> >
> >philthy wrote:
> >>
> >> there is on a gm vehicle
> >>
> >> bllsht wrote:
> >>
> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
> >> >
> >> > >Just a wild guess, but have you connected the oil pressure safety shut
> >> > >off? There is a switch on the oil pressure sender that will cause the
> >> > >engine to shut down after a few seconds of seeing no oil pressure.
> >> >
> >> > There is no such switch.
> >> >
> >> > >
> >> > >Other than that, I am not sure about the need for two computers to run
> >> > >things.
> >> > >
> >> > >Mike
> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >> > >88 Cherokee 235 BFG AT's
> >> > >Canadian Off Road Trips Photos: Non members can still view!
> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >> > >(More Off Road album links at bottom of the view page)
> >> > >
> >> > >Lex-Lutor wrote:
> >> > >>
> >> > >> I hope to find some help here about my problem. We made a real monster from
> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> > >> that engine CPU send stop signal to fuel injectors because there is no
> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> > >> any solution to make fake signal or emulate board computer ???
> >> > >>
> >> > >> We need original CPU since electronic unit from automatic transmission will
> >> > >> not work without engine CPU.
> >> > >>
> >> > >> For final solution we can connect board cpu, but it will be too much wires
> >> > >> and hard to find safety place inside !
> >> > >>
> >> > >> Thanks for any help.
> >> > >>
> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> > >> is there any problem to exchange engine cpu between same models ??
It most 'certainly' does have an oil pressure safety switch!
On my CJ7 that switch is used to control the manifold heater and the
electric choke.
Mike
bllsht wrote:
>
> Not from the factory.
>
> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>
> >There is on my Jeep too...
> >
> >Mike
> >
> >philthy wrote:
> >>
> >> there is on a gm vehicle
> >>
> >> bllsht wrote:
> >>
> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
> >> >
> >> > >Just a wild guess, but have you connected the oil pressure safety shut
> >> > >off? There is a switch on the oil pressure sender that will cause the
> >> > >engine to shut down after a few seconds of seeing no oil pressure.
> >> >
> >> > There is no such switch.
> >> >
> >> > >
> >> > >Other than that, I am not sure about the need for two computers to run
> >> > >things.
> >> > >
> >> > >Mike
> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >> > >88 Cherokee 235 BFG AT's
> >> > >Canadian Off Road Trips Photos: Non members can still view!
> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >> > >(More Off Road album links at bottom of the view page)
> >> > >
> >> > >Lex-Lutor wrote:
> >> > >>
> >> > >> I hope to find some help here about my problem. We made a real monster from
> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> > >> that engine CPU send stop signal to fuel injectors because there is no
> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> > >> any solution to make fake signal or emulate board computer ???
> >> > >>
> >> > >> We need original CPU since electronic unit from automatic transmission will
> >> > >> not work without engine CPU.
> >> > >>
> >> > >> For final solution we can connect board cpu, but it will be too much wires
> >> > >> and hard to find safety place inside !
> >> > >>
> >> > >> Thanks for any help.
> >> > >>
> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> > >> is there any problem to exchange engine cpu between same models ??
01-16-2006, 09:20 AM
#36
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
What are you talking about?
It most 'certainly' does have an oil pressure safety switch!
On my CJ7 that switch is used to control the manifold heater and the
electric choke.
Mike
bllsht wrote:
>
> Not from the factory.
>
> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>
> >There is on my Jeep too...
> >
> >Mike
> >
> >philthy wrote:
> >>
> >> there is on a gm vehicle
> >>
> >> bllsht wrote:
> >>
> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
> >> >
> >> > >Just a wild guess, but have you connected the oil pressure safety shut
> >> > >off? There is a switch on the oil pressure sender that will cause the
> >> > >engine to shut down after a few seconds of seeing no oil pressure.
> >> >
> >> > There is no such switch.
> >> >
> >> > >
> >> > >Other than that, I am not sure about the need for two computers to run
> >> > >things.
> >> > >
> >> > >Mike
> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >> > >88 Cherokee 235 BFG AT's
> >> > >Canadian Off Road Trips Photos: Non members can still view!
> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >> > >(More Off Road album links at bottom of the view page)
> >> > >
> >> > >Lex-Lutor wrote:
> >> > >>
> >> > >> I hope to find some help here about my problem. We made a real monster from
> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> > >> that engine CPU send stop signal to fuel injectors because there is no
> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> > >> any solution to make fake signal or emulate board computer ???
> >> > >>
> >> > >> We need original CPU since electronic unit from automatic transmission will
> >> > >> not work without engine CPU.
> >> > >>
> >> > >> For final solution we can connect board cpu, but it will be too much wires
> >> > >> and hard to find safety place inside !
> >> > >>
> >> > >> Thanks for any help.
> >> > >>
> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> > >> is there any problem to exchange engine cpu between same models ??
It most 'certainly' does have an oil pressure safety switch!
On my CJ7 that switch is used to control the manifold heater and the
electric choke.
Mike
bllsht wrote:
>
> Not from the factory.
>
> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>
> >There is on my Jeep too...
> >
> >Mike
> >
> >philthy wrote:
> >>
> >> there is on a gm vehicle
> >>
> >> bllsht wrote:
> >>
> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
> >> >
> >> > >Just a wild guess, but have you connected the oil pressure safety shut
> >> > >off? There is a switch on the oil pressure sender that will cause the
> >> > >engine to shut down after a few seconds of seeing no oil pressure.
> >> >
> >> > There is no such switch.
> >> >
> >> > >
> >> > >Other than that, I am not sure about the need for two computers to run
> >> > >things.
> >> > >
> >> > >Mike
> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >> > >88 Cherokee 235 BFG AT's
> >> > >Canadian Off Road Trips Photos: Non members can still view!
> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >> > >(More Off Road album links at bottom of the view page)
> >> > >
> >> > >Lex-Lutor wrote:
> >> > >>
> >> > >> I hope to find some help here about my problem. We made a real monster from
> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> > >> that engine CPU send stop signal to fuel injectors because there is no
> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> > >> any solution to make fake signal or emulate board computer ???
> >> > >>
> >> > >> We need original CPU since electronic unit from automatic transmission will
> >> > >> not work without engine CPU.
> >> > >>
> >> > >> For final solution we can connect board cpu, but it will be too much wires
> >> > >> and hard to find safety place inside !
> >> > >>
> >> > >> Thanks for any help.
> >> > >>
> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> > >> is there any problem to exchange engine cpu between same models ??
01-16-2006, 09:20 AM
#37
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
What are you talking about?
It most 'certainly' does have an oil pressure safety switch!
On my CJ7 that switch is used to control the manifold heater and the
electric choke.
Mike
bllsht wrote:
>
> Not from the factory.
>
> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>
> >There is on my Jeep too...
> >
> >Mike
> >
> >philthy wrote:
> >>
> >> there is on a gm vehicle
> >>
> >> bllsht wrote:
> >>
> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
> >> >
> >> > >Just a wild guess, but have you connected the oil pressure safety shut
> >> > >off? There is a switch on the oil pressure sender that will cause the
> >> > >engine to shut down after a few seconds of seeing no oil pressure.
> >> >
> >> > There is no such switch.
> >> >
> >> > >
> >> > >Other than that, I am not sure about the need for two computers to run
> >> > >things.
> >> > >
> >> > >Mike
> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >> > >88 Cherokee 235 BFG AT's
> >> > >Canadian Off Road Trips Photos: Non members can still view!
> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >> > >(More Off Road album links at bottom of the view page)
> >> > >
> >> > >Lex-Lutor wrote:
> >> > >>
> >> > >> I hope to find some help here about my problem. We made a real monster from
> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> > >> that engine CPU send stop signal to fuel injectors because there is no
> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> > >> any solution to make fake signal or emulate board computer ???
> >> > >>
> >> > >> We need original CPU since electronic unit from automatic transmission will
> >> > >> not work without engine CPU.
> >> > >>
> >> > >> For final solution we can connect board cpu, but it will be too much wires
> >> > >> and hard to find safety place inside !
> >> > >>
> >> > >> Thanks for any help.
> >> > >>
> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> > >> is there any problem to exchange engine cpu between same models ??
It most 'certainly' does have an oil pressure safety switch!
On my CJ7 that switch is used to control the manifold heater and the
electric choke.
Mike
bllsht wrote:
>
> Not from the factory.
>
> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>
> >There is on my Jeep too...
> >
> >Mike
> >
> >philthy wrote:
> >>
> >> there is on a gm vehicle
> >>
> >> bllsht wrote:
> >>
> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
> >> >
> >> > >Just a wild guess, but have you connected the oil pressure safety shut
> >> > >off? There is a switch on the oil pressure sender that will cause the
> >> > >engine to shut down after a few seconds of seeing no oil pressure.
> >> >
> >> > There is no such switch.
> >> >
> >> > >
> >> > >Other than that, I am not sure about the need for two computers to run
> >> > >things.
> >> > >
> >> > >Mike
> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
> >> > >88 Cherokee 235 BFG AT's
> >> > >Canadian Off Road Trips Photos: Non members can still view!
> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
> >> > >(More Off Road album links at bottom of the view page)
> >> > >
> >> > >Lex-Lutor wrote:
> >> > >>
> >> > >> I hope to find some help here about my problem. We made a real monster from
> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
> >> > >> that engine CPU send stop signal to fuel injectors because there is no
> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
> >> > >> any solution to make fake signal or emulate board computer ???
> >> > >>
> >> > >> We need original CPU since electronic unit from automatic transmission will
> >> > >> not work without engine CPU.
> >> > >>
> >> > >> For final solution we can connect board cpu, but it will be too much wires
> >> > >> and hard to find safety place inside !
> >> > >>
> >> > >> Thanks for any help.
> >> > >>
> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
> >> > >> is there any problem to exchange engine cpu between same models ??
01-17-2006, 02:26 AM
#38
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
That switch is only there to keep from powering up the choke heater with the key
on and engine off. It's not a safety switch by any means, and won't prevent the
engine from running with or without oil pressure.
You of all people should know this after your engine rebuild fiasco on Jo's YJ,
which uses the same system.
In message <43CBABA7.A9E2B105@sympatico.ca>, "Mike Romain" wrote:
>What are you talking about?
>
>It most 'certainly' does have an oil pressure safety switch!
>
>On my CJ7 that switch is used to control the manifold heater and the
>electric choke.
>
>Mike
>
>bllsht wrote:
>>
>> Not from the factory.
>>
>> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>>
>> >There is on my Jeep too...
>> >
>> >Mike
>> >
>> >philthy wrote:
>> >>
>> >> there is on a gm vehicle
>> >>
>> >> bllsht wrote:
>> >>
>> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >> >
>> >> > >Just a wild guess, but have you connected the oil pressure safety shut
>> >> > >off? There is a switch on the oil pressure sender that will cause the
>> >> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >> >
>> >> > There is no such switch.
>> >> >
>> >> > >
>> >> > >Other than that, I am not sure about the need for two computers to run
>> >> > >things.
>> >> > >
>> >> > >Mike
>> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >> > >88 Cherokee 235 BFG AT's
>> >> > >Canadian Off Road Trips Photos: Non members can still view!
>> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >> > >(More Off Road album links at bottom of the view page)
>> >> > >
>> >> > >Lex-Lutor wrote:
>> >> > >>
>> >> > >> I hope to find some help here about my problem. We made a real monster from
>> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> >> > >> that engine CPU send stop signal to fuel injectors because there is no
>> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> >> > >> any solution to make fake signal or emulate board computer ???
>> >> > >>
>> >> > >> We need original CPU since electronic unit from automatic transmission will
>> >> > >> not work without engine CPU.
>> >> > >>
>> >> > >> For final solution we can connect board cpu, but it will be too much wires
>> >> > >> and hard to find safety place inside !
>> >> > >>
>> >> > >> Thanks for any help.
>> >> > >>
>> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> >> > >> is there any problem to exchange engine cpu between same models ??
on and engine off. It's not a safety switch by any means, and won't prevent the
engine from running with or without oil pressure.
You of all people should know this after your engine rebuild fiasco on Jo's YJ,
which uses the same system.
In message <43CBABA7.A9E2B105@sympatico.ca>, "Mike Romain" wrote:
>What are you talking about?
>
>It most 'certainly' does have an oil pressure safety switch!
>
>On my CJ7 that switch is used to control the manifold heater and the
>electric choke.
>
>Mike
>
>bllsht wrote:
>>
>> Not from the factory.
>>
>> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>>
>> >There is on my Jeep too...
>> >
>> >Mike
>> >
>> >philthy wrote:
>> >>
>> >> there is on a gm vehicle
>> >>
>> >> bllsht wrote:
>> >>
>> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >> >
>> >> > >Just a wild guess, but have you connected the oil pressure safety shut
>> >> > >off? There is a switch on the oil pressure sender that will cause the
>> >> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >> >
>> >> > There is no such switch.
>> >> >
>> >> > >
>> >> > >Other than that, I am not sure about the need for two computers to run
>> >> > >things.
>> >> > >
>> >> > >Mike
>> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >> > >88 Cherokee 235 BFG AT's
>> >> > >Canadian Off Road Trips Photos: Non members can still view!
>> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >> > >(More Off Road album links at bottom of the view page)
>> >> > >
>> >> > >Lex-Lutor wrote:
>> >> > >>
>> >> > >> I hope to find some help here about my problem. We made a real monster from
>> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> >> > >> that engine CPU send stop signal to fuel injectors because there is no
>> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> >> > >> any solution to make fake signal or emulate board computer ???
>> >> > >>
>> >> > >> We need original CPU since electronic unit from automatic transmission will
>> >> > >> not work without engine CPU.
>> >> > >>
>> >> > >> For final solution we can connect board cpu, but it will be too much wires
>> >> > >> and hard to find safety place inside !
>> >> > >>
>> >> > >> Thanks for any help.
>> >> > >>
>> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> >> > >> is there any problem to exchange engine cpu between same models ??
01-17-2006, 02:26 AM
#39
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
That switch is only there to keep from powering up the choke heater with the key
on and engine off. It's not a safety switch by any means, and won't prevent the
engine from running with or without oil pressure.
You of all people should know this after your engine rebuild fiasco on Jo's YJ,
which uses the same system.
In message <43CBABA7.A9E2B105@sympatico.ca>, "Mike Romain" wrote:
>What are you talking about?
>
>It most 'certainly' does have an oil pressure safety switch!
>
>On my CJ7 that switch is used to control the manifold heater and the
>electric choke.
>
>Mike
>
>bllsht wrote:
>>
>> Not from the factory.
>>
>> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>>
>> >There is on my Jeep too...
>> >
>> >Mike
>> >
>> >philthy wrote:
>> >>
>> >> there is on a gm vehicle
>> >>
>> >> bllsht wrote:
>> >>
>> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >> >
>> >> > >Just a wild guess, but have you connected the oil pressure safety shut
>> >> > >off? There is a switch on the oil pressure sender that will cause the
>> >> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >> >
>> >> > There is no such switch.
>> >> >
>> >> > >
>> >> > >Other than that, I am not sure about the need for two computers to run
>> >> > >things.
>> >> > >
>> >> > >Mike
>> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >> > >88 Cherokee 235 BFG AT's
>> >> > >Canadian Off Road Trips Photos: Non members can still view!
>> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >> > >(More Off Road album links at bottom of the view page)
>> >> > >
>> >> > >Lex-Lutor wrote:
>> >> > >>
>> >> > >> I hope to find some help here about my problem. We made a real monster from
>> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> >> > >> that engine CPU send stop signal to fuel injectors because there is no
>> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> >> > >> any solution to make fake signal or emulate board computer ???
>> >> > >>
>> >> > >> We need original CPU since electronic unit from automatic transmission will
>> >> > >> not work without engine CPU.
>> >> > >>
>> >> > >> For final solution we can connect board cpu, but it will be too much wires
>> >> > >> and hard to find safety place inside !
>> >> > >>
>> >> > >> Thanks for any help.
>> >> > >>
>> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> >> > >> is there any problem to exchange engine cpu between same models ??
on and engine off. It's not a safety switch by any means, and won't prevent the
engine from running with or without oil pressure.
You of all people should know this after your engine rebuild fiasco on Jo's YJ,
which uses the same system.
In message <43CBABA7.A9E2B105@sympatico.ca>, "Mike Romain" wrote:
>What are you talking about?
>
>It most 'certainly' does have an oil pressure safety switch!
>
>On my CJ7 that switch is used to control the manifold heater and the
>electric choke.
>
>Mike
>
>bllsht wrote:
>>
>> Not from the factory.
>>
>> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>>
>> >There is on my Jeep too...
>> >
>> >Mike
>> >
>> >philthy wrote:
>> >>
>> >> there is on a gm vehicle
>> >>
>> >> bllsht wrote:
>> >>
>> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >> >
>> >> > >Just a wild guess, but have you connected the oil pressure safety shut
>> >> > >off? There is a switch on the oil pressure sender that will cause the
>> >> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >> >
>> >> > There is no such switch.
>> >> >
>> >> > >
>> >> > >Other than that, I am not sure about the need for two computers to run
>> >> > >things.
>> >> > >
>> >> > >Mike
>> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >> > >88 Cherokee 235 BFG AT's
>> >> > >Canadian Off Road Trips Photos: Non members can still view!
>> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >> > >(More Off Road album links at bottom of the view page)
>> >> > >
>> >> > >Lex-Lutor wrote:
>> >> > >>
>> >> > >> I hope to find some help here about my problem. We made a real monster from
>> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> >> > >> that engine CPU send stop signal to fuel injectors because there is no
>> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> >> > >> any solution to make fake signal or emulate board computer ???
>> >> > >>
>> >> > >> We need original CPU since electronic unit from automatic transmission will
>> >> > >> not work without engine CPU.
>> >> > >>
>> >> > >> For final solution we can connect board cpu, but it will be too much wires
>> >> > >> and hard to find safety place inside !
>> >> > >>
>> >> > >> Thanks for any help.
>> >> > >>
>> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> >> > >> is there any problem to exchange engine cpu between same models ??
01-17-2006, 02:26 AM
#40
Guest
Posts: n/a
Re: V8 5.2 in Laredo but...ECU is not working
That switch is only there to keep from powering up the choke heater with the key
on and engine off. It's not a safety switch by any means, and won't prevent the
engine from running with or without oil pressure.
You of all people should know this after your engine rebuild fiasco on Jo's YJ,
which uses the same system.
In message <43CBABA7.A9E2B105@sympatico.ca>, "Mike Romain" wrote:
>What are you talking about?
>
>It most 'certainly' does have an oil pressure safety switch!
>
>On my CJ7 that switch is used to control the manifold heater and the
>electric choke.
>
>Mike
>
>bllsht wrote:
>>
>> Not from the factory.
>>
>> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>>
>> >There is on my Jeep too...
>> >
>> >Mike
>> >
>> >philthy wrote:
>> >>
>> >> there is on a gm vehicle
>> >>
>> >> bllsht wrote:
>> >>
>> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >> >
>> >> > >Just a wild guess, but have you connected the oil pressure safety shut
>> >> > >off? There is a switch on the oil pressure sender that will cause the
>> >> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >> >
>> >> > There is no such switch.
>> >> >
>> >> > >
>> >> > >Other than that, I am not sure about the need for two computers to run
>> >> > >things.
>> >> > >
>> >> > >Mike
>> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >> > >88 Cherokee 235 BFG AT's
>> >> > >Canadian Off Road Trips Photos: Non members can still view!
>> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >> > >(More Off Road album links at bottom of the view page)
>> >> > >
>> >> > >Lex-Lutor wrote:
>> >> > >>
>> >> > >> I hope to find some help here about my problem. We made a real monster from
>> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> >> > >> that engine CPU send stop signal to fuel injectors because there is no
>> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> >> > >> any solution to make fake signal or emulate board computer ???
>> >> > >>
>> >> > >> We need original CPU since electronic unit from automatic transmission will
>> >> > >> not work without engine CPU.
>> >> > >>
>> >> > >> For final solution we can connect board cpu, but it will be too much wires
>> >> > >> and hard to find safety place inside !
>> >> > >>
>> >> > >> Thanks for any help.
>> >> > >>
>> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> >> > >> is there any problem to exchange engine cpu between same models ??
on and engine off. It's not a safety switch by any means, and won't prevent the
engine from running with or without oil pressure.
You of all people should know this after your engine rebuild fiasco on Jo's YJ,
which uses the same system.
In message <43CBABA7.A9E2B105@sympatico.ca>, "Mike Romain" wrote:
>What are you talking about?
>
>It most 'certainly' does have an oil pressure safety switch!
>
>On my CJ7 that switch is used to control the manifold heater and the
>electric choke.
>
>Mike
>
>bllsht wrote:
>>
>> Not from the factory.
>>
>> In message <43CAAA12.627A33A3@sympatico.ca>, "Mike Romain" wrote:
>>
>> >There is on my Jeep too...
>> >
>> >Mike
>> >
>> >philthy wrote:
>> >>
>> >> there is on a gm vehicle
>> >>
>> >> bllsht wrote:
>> >>
>> >> > In message <43C1245F.466C9200@sympatico.ca>, "Mike Romain" wrote:
>> >> >
>> >> > >Just a wild guess, but have you connected the oil pressure safety shut
>> >> > >off? There is a switch on the oil pressure sender that will cause the
>> >> > >engine to shut down after a few seconds of seeing no oil pressure.
>> >> >
>> >> > There is no such switch.
>> >> >
>> >> > >
>> >> > >Other than that, I am not sure about the need for two computers to run
>> >> > >things.
>> >> > >
>> >> > >Mike
>> >> > >86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
>> >> > >88 Cherokee 235 BFG AT's
>> >> > >Canadian Off Road Trips Photos: Non members can still view!
>> >> > >Jan/06 http://www.imagestation.com/album/pi...?id=2115147590
>> >> > >(More Off Road album links at bottom of the view page)
>> >> > >
>> >> > >Lex-Lutor wrote:
>> >> > >>
>> >> > >> I hope to find some help here about my problem. We made a real monster from
>> >> > >> one Laredo (1985 year). After many working hours 5.2L V8 engine from GC
>> >> > >> (year 1996) is now fit inside this Jeep. After we start engine it runs 8-10
>> >> > >> seconds and than goes Off. (fuel pump, map, temp, and all other engine
>> >> > >> sensors are connected OK), since we use only engine CPU I'm pretty much sure
>> >> > >> that engine CPU send stop signal to fuel injectors because there is no
>> >> > >> signal form board computer, (CPU unit inside Grand Cherokee cabin) Is there
>> >> > >> any solution to make fake signal or emulate board computer ???
>> >> > >>
>> >> > >> We need original CPU since electronic unit from automatic transmission will
>> >> > >> not work without engine CPU.
>> >> > >>
>> >> > >> For final solution we can connect board cpu, but it will be too much wires
>> >> > >> and hard to find safety place inside !
>> >> > >>
>> >> > >> Thanks for any help.
>> >> > >>
>> >> > >> PS: Just for info, is there any code or other protection inside engine cpu,
>> >> > >> is there any problem to exchange engine cpu between same models ??
