Question about Cars & Trucks
All fuses good under hood.all fuses good under dash, several fuses under dash have no power with key and engine running but fuse ok. power accessory relay gets no ground signal on pin 85
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Posted on Jan 02, 2017
SOURCE: Instrument cluster went blank
I am currently working on my 92 Deville with the same problem. I was driving along, and smelled what I felt was a smoking printed circuit board. I looked down, and the digital fuel data center and climate control panel were dark.
I have the factory shop manual, and with the aid of a meter and the manual, I traced the problem to a bad BCM. The 16v supply coming from the BCM was gone. Opened up the BCM and found an overheated transistor. I also removed the fuel data center and the Climate control panel. The fuel data center panel did not smell good. I found a shorted capacitor on the Fuel data center circuit board. I am replacing the capacitor, and will be picking up a used BCM at the boneyard tomorrow. I might also have an overheated wire in a cable that might have to be replaced. I have not gotten that far in the troubleshooting yet.
Good luck with your problem.......
Posted on Oct 04, 2008
check the wiring from the tailights back to the fuse panel, it sounds like an open connection. if i recall correctly check under the dash on the drivers side near the fuse panel for a bunch of wires in a bundle and look carefully for a wire or two that are cut/shorted/or seperated, you can also check under the drivers side kick panel by the hood release.
Posted on Feb 17, 2009
try to find electronic flasher under dash,some disassembly required,turn on hazard lights,that flasher is close to the one you are looking for.
Posted on Feb 27, 2009
motor has probly failed-n hav it inspected n electrically tested-a repair manual is very helpful-may want to do code scan to confirm
Posted on Sep 15, 2009
Testimonial: "emission wiz info helpful, i am trying to locate a wiring diagram at this time any suggestions also air motor works fine with jumper wire from positiv"
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