Question about 1A Auto Parts 1998-1999 Pontiac Bonneville SSE SSEi Fog Light Pair
Short created with radio installation. now a few things dont work like: dash lights, tail lights, fog lights, replaced fuse and it burns. unplugged radio and replaced fuse and they work but wont shut off after i turn the car off. the headlight switch no longer turns off my lights. where could the problem be? please help. my bonnie is just sitting in the garage with these problems :(
Check and see if you have any relays that control the lights and all the other things that have stopped working. There will more than likely have something in common that has burned out and a relay burned out would cause that. Also if it has a light sentinel on it then the problem could be in that circuit. You need a good schematic and try to trace the problem. There is so many things that can cause problems in some of the wiring harnesses that they put on cars that it is just a trial and error without the exact schematic for it. I would almost bet that it is in the relays that controls the lights. I have a Blue wire with a Black stripe on it in my Ford Explorer that just has one end on it! LOL! I've been an Electronic Technician for 33 years and the only way I will work on car electronics is if it is mine. Hope this helps. I had about the same thing to happen on a 93 Cadillac and i was in the light sentinel relay in the left side of the trunk.
Col. Dana Gillespie
Posted on Mar 23, 2014
Testimonial: "ok, would u think maby i melted something together along the way in one of the wire harness? i hope not. i would hate to have to track that down, probably under the carpet or something. i replaced the light sentinel switch and it didnt seem to change anything, unless something was wrong with that one as well as i bought it from a junk yard but nothing looked like was wrong with the one i took out originally. what would the relay i need to check be called? i believe there's some up by the fire wall on the passenger side under the hood. would that sentinel relay also be in the same location as the cadillac u worked on? thankx for your help and advice i rely appreciate it."
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Posted on Jan 02, 2017
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