Inconsistent guage readings in 1977 Cherokee
08-28-2005, 09:29 PM
#31
Guest
Posts: n/a
Inconsistent guage readings in 1977 Cherokee-a new developement
Twice in the last three days, when I started my Jeep to leave work,
the oil pressure gauge stayed on zero (not new-I have a bad connection
on the 4-prong flat plug's orange wire that plugs into the circuit
board <Radio Shack no longer carries such hobbiest parts>). However,
both times the fuel and temperature gauges read accurately until the
oil pressure gauge started working. Then, both of them dropped. Any
possibility that the oil pressure gauge is loose, or something like
that? I'm going to be working on this stuff tomorrow morning, and
would like any other suggestions to check out. Of course, if it isn't
something like that, I'm also going to check out the ammeter, too.
Thanks.
Dan
the oil pressure gauge stayed on zero (not new-I have a bad connection
on the 4-prong flat plug's orange wire that plugs into the circuit
board <Radio Shack no longer carries such hobbiest parts>). However,
both times the fuel and temperature gauges read accurately until the
oil pressure gauge started working. Then, both of them dropped. Any
possibility that the oil pressure gauge is loose, or something like
that? I'm going to be working on this stuff tomorrow morning, and
would like any other suggestions to check out. Of course, if it isn't
something like that, I'm also going to check out the ammeter, too.
Thanks.
Dan
08-28-2005, 09:29 PM
#32
Guest
Posts: n/a
Inconsistent guage readings in 1977 Cherokee-a new developement
Twice in the last three days, when I started my Jeep to leave work,
the oil pressure gauge stayed on zero (not new-I have a bad connection
on the 4-prong flat plug's orange wire that plugs into the circuit
board <Radio Shack no longer carries such hobbiest parts>). However,
both times the fuel and temperature gauges read accurately until the
oil pressure gauge started working. Then, both of them dropped. Any
possibility that the oil pressure gauge is loose, or something like
that? I'm going to be working on this stuff tomorrow morning, and
would like any other suggestions to check out. Of course, if it isn't
something like that, I'm also going to check out the ammeter, too.
Thanks.
Dan
the oil pressure gauge stayed on zero (not new-I have a bad connection
on the 4-prong flat plug's orange wire that plugs into the circuit
board <Radio Shack no longer carries such hobbiest parts>). However,
both times the fuel and temperature gauges read accurately until the
oil pressure gauge started working. Then, both of them dropped. Any
possibility that the oil pressure gauge is loose, or something like
that? I'm going to be working on this stuff tomorrow morning, and
would like any other suggestions to check out. Of course, if it isn't
something like that, I'm also going to check out the ammeter, too.
Thanks.
Dan
08-28-2005, 09:29 PM
#33
Guest
Posts: n/a
Inconsistent guage readings in 1977 Cherokee-a new developement
Twice in the last three days, when I started my Jeep to leave work,
the oil pressure gauge stayed on zero (not new-I have a bad connection
on the 4-prong flat plug's orange wire that plugs into the circuit
board <Radio Shack no longer carries such hobbiest parts>). However,
both times the fuel and temperature gauges read accurately until the
oil pressure gauge started working. Then, both of them dropped. Any
possibility that the oil pressure gauge is loose, or something like
that? I'm going to be working on this stuff tomorrow morning, and
would like any other suggestions to check out. Of course, if it isn't
something like that, I'm also going to check out the ammeter, too.
Thanks.
Dan
the oil pressure gauge stayed on zero (not new-I have a bad connection
on the 4-prong flat plug's orange wire that plugs into the circuit
board <Radio Shack no longer carries such hobbiest parts>). However,
both times the fuel and temperature gauges read accurately until the
oil pressure gauge started working. Then, both of them dropped. Any
possibility that the oil pressure gauge is loose, or something like
that? I'm going to be working on this stuff tomorrow morning, and
would like any other suggestions to check out. Of course, if it isn't
something like that, I'm also going to check out the ammeter, too.
Thanks.
Dan
08-28-2005, 11:36 PM
#34
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee-a new developement
There are several individual connections made in the ignition
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
08-28-2005, 11:36 PM
#35
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee-a new developement
There are several individual connections made in the ignition
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
08-28-2005, 11:36 PM
#36
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee-a new developement
There are several individual connections made in the ignition
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
08-28-2005, 11:36 PM
#37
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee-a new developement
There are several individual connections made in the ignition
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
switch that could be failing. Design the be switch off during the
starting cycle, then turned back on in the on position, usually just
jiggling the key will find them if it is the switch.
God Bless America, ßill O|||||||O
mailto:-------------------- http://www.----------.com/
Hootowl wrote:
>
> Twice in the last three days, when I started my Jeep to leave work,
> the oil pressure gauge stayed on zero (not new-I have a bad connection
> on the 4-prong flat plug's orange wire that plugs into the circuit
> board <Radio Shack no longer carries such hobbiest parts>). However,
> both times the fuel and temperature gauges read accurately until the
> oil pressure gauge started working. Then, both of them dropped. Any
> possibility that the oil pressure gauge is loose, or something like
> that? I'm going to be working on this stuff tomorrow morning, and
> would like any other suggestions to check out. Of course, if it isn't
> something like that, I'm also going to check out the ammeter, too.
> Thanks.
>
> Dan
08-29-2005, 10:28 PM
#38
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee
"Hootowl" <ELN/zooo@earthlink.net> wrote in message
news:7e7tg1djrem27m1rtei2efnr906vcop5mi@4ax.com...
....
> I'll check that page out. I've also been told I can get all the parts
> to make one at Radio Shack. I had already thought about that, but will
> have to check my service manual to determine the correct voltage
> output.
That's the rub... constant voltage won't do it,
the bimetallic regulator compensates for temperature.
Now if you use a circuit that varies the voltage with
temperature, *that* might work... just plugging in
a 7808 TO220 three-terminal regulator won't get
you happiness, I'm betting...
__
Steve
..
08-29-2005, 10:28 PM
#39
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee
"Hootowl" <ELN/zooo@earthlink.net> wrote in message
news:7e7tg1djrem27m1rtei2efnr906vcop5mi@4ax.com...
....
> I'll check that page out. I've also been told I can get all the parts
> to make one at Radio Shack. I had already thought about that, but will
> have to check my service manual to determine the correct voltage
> output.
That's the rub... constant voltage won't do it,
the bimetallic regulator compensates for temperature.
Now if you use a circuit that varies the voltage with
temperature, *that* might work... just plugging in
a 7808 TO220 three-terminal regulator won't get
you happiness, I'm betting...
__
Steve
..
08-29-2005, 10:28 PM
#40
Guest
Posts: n/a
Re: Inconsistent guage readings in 1977 Cherokee
"Hootowl" <ELN/zooo@earthlink.net> wrote in message
news:7e7tg1djrem27m1rtei2efnr906vcop5mi@4ax.com...
....
> I'll check that page out. I've also been told I can get all the parts
> to make one at Radio Shack. I had already thought about that, but will
> have to check my service manual to determine the correct voltage
> output.
That's the rub... constant voltage won't do it,
the bimetallic regulator compensates for temperature.
Now if you use a circuit that varies the voltage with
temperature, *that* might work... just plugging in
a 7808 TO220 three-terminal regulator won't get
you happiness, I'm betting...
__
Steve
..