Re: 97 GC - Mechanic Cant find Blower Relay
Jerry Bransford did pass the time by typing:
> Maybe the '97 GC has a blower relay but my '97 TJ doesn't. The +12 > volts goes directly to the blower resistor pack. Could be. My manual is only good up till 96. So far it's been fairly reliable. Only the automatic climate control had a relay. Wait a sec.. A brain cell way back in the dusty corner of my pointy head just thought of something. I remember a discussion about a relay being located behind (or possibly on) the climate control pannel. Can't for sure say which model or even if it was for a Jeep. That doesn't fit with my schematics, but who knows what they may have changed. > DougW wrote: >> PoBoy did pass the time by typing: >> >>> Theres the rub -- the harness isnt there!! Thats why they suspect >>> it got left behind the dash in some previous work. >> >> >> It has to be there or your blower wouldn't work at all. |
Re: 97 GC - Mechanic Cant find Blower Relay
I have the alldatadiy for the vehicle and the diagram shows it
attached to the outside of blower unit under the dash. ( roughly beside a wiring plug with a harness ) The dealers guys are using the shop manuals, so, on the surface , it appears that the harness has been routed incorrectly at some point. I did look at the blower unit before i took it in and recall only seeing a single harness to the blower, there was no other harness. I hadnt looked up the relay info then, i was checking out the blowers location. It will be interesting to find out what the story is. jt DougW wrote: > Jerry Bransford did pass the time by typing: > >>Maybe the '97 GC has a blower relay but my '97 TJ doesn't. The +12 >>volts goes directly to the blower resistor pack. > > > Could be. My manual is only good up till 96. So far it's been fairly > reliable. Only the automatic climate control had a relay. > > Wait a sec.. A brain cell way back in the dusty corner of my pointy head > just thought of something. I remember a discussion about a relay being > located behind (or possibly on) the climate control pannel. Can't for > sure say which model or even if it was for a Jeep. That doesn't fit with > my schematics, but who knows what they may have changed. > > >>DougW wrote: >> >>>PoBoy did pass the time by typing: >>> >>> >>>>Theres the rub -- the harness isnt there!! Thats why they suspect >>>>it got left behind the dash in some previous work. >>> >>> >>>It has to be there or your blower wouldn't work at all. > > > > |
Re: 97 GC - Mechanic Cant find Blower Relay
I have the alldatadiy for the vehicle and the diagram shows it
attached to the outside of blower unit under the dash. ( roughly beside a wiring plug with a harness ) The dealers guys are using the shop manuals, so, on the surface , it appears that the harness has been routed incorrectly at some point. I did look at the blower unit before i took it in and recall only seeing a single harness to the blower, there was no other harness. I hadnt looked up the relay info then, i was checking out the blowers location. It will be interesting to find out what the story is. jt DougW wrote: > Jerry Bransford did pass the time by typing: > >>Maybe the '97 GC has a blower relay but my '97 TJ doesn't. The +12 >>volts goes directly to the blower resistor pack. > > > Could be. My manual is only good up till 96. So far it's been fairly > reliable. Only the automatic climate control had a relay. > > Wait a sec.. A brain cell way back in the dusty corner of my pointy head > just thought of something. I remember a discussion about a relay being > located behind (or possibly on) the climate control pannel. Can't for > sure say which model or even if it was for a Jeep. That doesn't fit with > my schematics, but who knows what they may have changed. > > >>DougW wrote: >> >>>PoBoy did pass the time by typing: >>> >>> >>>>Theres the rub -- the harness isnt there!! Thats why they suspect >>>>it got left behind the dash in some previous work. >>> >>> >>>It has to be there or your blower wouldn't work at all. > > > > |
Re: 97 GC - Mechanic Cant find Blower Relay
I have the alldatadiy for the vehicle and the diagram shows it
attached to the outside of blower unit under the dash. ( roughly beside a wiring plug with a harness ) The dealers guys are using the shop manuals, so, on the surface , it appears that the harness has been routed incorrectly at some point. I did look at the blower unit before i took it in and recall only seeing a single harness to the blower, there was no other harness. I hadnt looked up the relay info then, i was checking out the blowers location. It will be interesting to find out what the story is. jt DougW wrote: > Jerry Bransford did pass the time by typing: > >>Maybe the '97 GC has a blower relay but my '97 TJ doesn't. The +12 >>volts goes directly to the blower resistor pack. > > > Could be. My manual is only good up till 96. So far it's been fairly > reliable. Only the automatic climate control had a relay. > > Wait a sec.. A brain cell way back in the dusty corner of my pointy head > just thought of something. I remember a discussion about a relay being > located behind (or possibly on) the climate control pannel. Can't for > sure say which model or even if it was for a Jeep. That doesn't fit with > my schematics, but who knows what they may have changed. > > >>DougW wrote: >> >>>PoBoy did pass the time by typing: >>> >>> >>>>Theres the rub -- the harness isnt there!! Thats why they suspect >>>>it got left behind the dash in some previous work. >>> >>> >>>It has to be there or your blower wouldn't work at all. > > > > |
Re: 97 GC - Blower comes on by itself -- with no key!!
you need the blower motor module
PoBoy wrote: > I do use the auto setup. > I have never seen an Er but will step thru your diag procedure. > > Would a fault not cause the check engine light to go on? > > When you say the controller is cooked, do you mean the > Blower Motor Power module or the Automatic Temperature Control > (ATC) Module or something else? > > thx, > James > > Lon wrote: > > PoBoy proclaimed: > > > >> Thanks to all on tips about my (non)heated seat. > >> > >> My other problem, ( i had this happen about a week ago, after i came > >> out of the car wash ) > >> > >> I parked my truck, turn it off, heater fan stop ( normal ), then the > >> blower comes on -- and continues to run after removing key!! > >> > >> This morning, I am standing in my garage and I hear the blower come on > >> and run by itself. > >> > >> I looked on alldata, under blower and did some searching, could this > >> be the blower motor resistor, or blower motor relay? > > > > > > If this is the auto setup on the GC, more likely to be the controller > > gone skyward. Would make more sense than the manual system managing > > to do this. > > > >> > >> Something I could do my self? > > > > > > Yeah, although with the caution that the reason a shop would charge an > > arm and a leg is due to the sheer PITA factor. > > > >> > >> Any tips appreciated, > > > > > > If you have the auto temp control system, and ever see "Er" on the > > display note the numbers. > > > > You can completely run the ATC system thru every control from the > > panel, but first pull any stored fault codes: > > > > Press A/C and RECIRC and hold. Rotate control knob one click > > clockwise. This should light all indicators and segments on the > > display. > > > > Then release the A/C and RECIRC button, which should show test 00 > > on the display. > > > > Then push ONE OF either A/C or RECIRC which should show a little > > stick figure. Any number other than 00 at this point should be > > recorded. You really don't want to see a 25 or 29, $$$. > > > > > > |
Re: 97 GC - Blower comes on by itself -- with no key!!
you need the blower motor module
PoBoy wrote: > I do use the auto setup. > I have never seen an Er but will step thru your diag procedure. > > Would a fault not cause the check engine light to go on? > > When you say the controller is cooked, do you mean the > Blower Motor Power module or the Automatic Temperature Control > (ATC) Module or something else? > > thx, > James > > Lon wrote: > > PoBoy proclaimed: > > > >> Thanks to all on tips about my (non)heated seat. > >> > >> My other problem, ( i had this happen about a week ago, after i came > >> out of the car wash ) > >> > >> I parked my truck, turn it off, heater fan stop ( normal ), then the > >> blower comes on -- and continues to run after removing key!! > >> > >> This morning, I am standing in my garage and I hear the blower come on > >> and run by itself. > >> > >> I looked on alldata, under blower and did some searching, could this > >> be the blower motor resistor, or blower motor relay? > > > > > > If this is the auto setup on the GC, more likely to be the controller > > gone skyward. Would make more sense than the manual system managing > > to do this. > > > >> > >> Something I could do my self? > > > > > > Yeah, although with the caution that the reason a shop would charge an > > arm and a leg is due to the sheer PITA factor. > > > >> > >> Any tips appreciated, > > > > > > If you have the auto temp control system, and ever see "Er" on the > > display note the numbers. > > > > You can completely run the ATC system thru every control from the > > panel, but first pull any stored fault codes: > > > > Press A/C and RECIRC and hold. Rotate control knob one click > > clockwise. This should light all indicators and segments on the > > display. > > > > Then release the A/C and RECIRC button, which should show test 00 > > on the display. > > > > Then push ONE OF either A/C or RECIRC which should show a little > > stick figure. Any number other than 00 at this point should be > > recorded. You really don't want to see a 25 or 29, $$$. > > > > > > |
Re: 97 GC - Blower comes on by itself -- with no key!!
you need the blower motor module
PoBoy wrote: > I do use the auto setup. > I have never seen an Er but will step thru your diag procedure. > > Would a fault not cause the check engine light to go on? > > When you say the controller is cooked, do you mean the > Blower Motor Power module or the Automatic Temperature Control > (ATC) Module or something else? > > thx, > James > > Lon wrote: > > PoBoy proclaimed: > > > >> Thanks to all on tips about my (non)heated seat. > >> > >> My other problem, ( i had this happen about a week ago, after i came > >> out of the car wash ) > >> > >> I parked my truck, turn it off, heater fan stop ( normal ), then the > >> blower comes on -- and continues to run after removing key!! > >> > >> This morning, I am standing in my garage and I hear the blower come on > >> and run by itself. > >> > >> I looked on alldata, under blower and did some searching, could this > >> be the blower motor resistor, or blower motor relay? > > > > > > If this is the auto setup on the GC, more likely to be the controller > > gone skyward. Would make more sense than the manual system managing > > to do this. > > > >> > >> Something I could do my self? > > > > > > Yeah, although with the caution that the reason a shop would charge an > > arm and a leg is due to the sheer PITA factor. > > > >> > >> Any tips appreciated, > > > > > > If you have the auto temp control system, and ever see "Er" on the > > display note the numbers. > > > > You can completely run the ATC system thru every control from the > > panel, but first pull any stored fault codes: > > > > Press A/C and RECIRC and hold. Rotate control knob one click > > clockwise. This should light all indicators and segments on the > > display. > > > > Then release the A/C and RECIRC button, which should show test 00 > > on the display. > > > > Then push ONE OF either A/C or RECIRC which should show a little > > stick figure. Any number other than 00 at this point should be > > recorded. You really don't want to see a 25 or 29, $$$. > > > > > > |
Re: 97 GC - Mechanic Cant find Blower Relay
try behind the glovebox can't miss it but it's for high speed only
PoBoy wrote: > My mechanic just called, he says that the blower relay, which > supposed to be under the dash isn't where it should be. > > He suspects that it may have been put under the dash in some > previous repair. I bought it in 2000 and this dealer is the only > guy who has worked on it . The vehicle itself is in great shape > but who's to say. > > Could it be that the relay is in a different location, they have > all the manuals etc so i dont see how they could miss it. > > PoBoy wrote: > > Thanks to all on tips about my (non)heated seat. > > > > My other problem, ( i had this happen about a week ago, after i came out > > of the car wash ) > > > > I parked my truck, turn it off, heater fan stop ( normal ), then the > > blower comes on -- and continues to run after removing key!! > > > > This morning, I am standing in my garage and I hear the blower come on > > and run by itself. > > > > I looked on alldata, under blower and did some searching, could this be > > the blower motor resistor, or blower motor relay? > > > > Something I could do my self? > > > > Any tips appreciated, > > > > James |
Re: 97 GC - Mechanic Cant find Blower Relay
try behind the glovebox can't miss it but it's for high speed only
PoBoy wrote: > My mechanic just called, he says that the blower relay, which > supposed to be under the dash isn't where it should be. > > He suspects that it may have been put under the dash in some > previous repair. I bought it in 2000 and this dealer is the only > guy who has worked on it . The vehicle itself is in great shape > but who's to say. > > Could it be that the relay is in a different location, they have > all the manuals etc so i dont see how they could miss it. > > PoBoy wrote: > > Thanks to all on tips about my (non)heated seat. > > > > My other problem, ( i had this happen about a week ago, after i came out > > of the car wash ) > > > > I parked my truck, turn it off, heater fan stop ( normal ), then the > > blower comes on -- and continues to run after removing key!! > > > > This morning, I am standing in my garage and I hear the blower come on > > and run by itself. > > > > I looked on alldata, under blower and did some searching, could this be > > the blower motor resistor, or blower motor relay? > > > > Something I could do my self? > > > > Any tips appreciated, > > > > James |
Re: 97 GC - Mechanic Cant find Blower Relay
try behind the glovebox can't miss it but it's for high speed only
PoBoy wrote: > My mechanic just called, he says that the blower relay, which > supposed to be under the dash isn't where it should be. > > He suspects that it may have been put under the dash in some > previous repair. I bought it in 2000 and this dealer is the only > guy who has worked on it . The vehicle itself is in great shape > but who's to say. > > Could it be that the relay is in a different location, they have > all the manuals etc so i dont see how they could miss it. > > PoBoy wrote: > > Thanks to all on tips about my (non)heated seat. > > > > My other problem, ( i had this happen about a week ago, after i came out > > of the car wash ) > > > > I parked my truck, turn it off, heater fan stop ( normal ), then the > > blower comes on -- and continues to run after removing key!! > > > > This morning, I am standing in my garage and I hear the blower come on > > and run by itself. > > > > I looked on alldata, under blower and did some searching, could this be > > the blower motor resistor, or blower motor relay? > > > > Something I could do my self? > > > > Any tips appreciated, > > > > James |
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