Quote:
Originally Posted by pies
i bought a used 2002 rodeo. it did not have fog lights on it. i discovered that the wiring is already in the truck. i installed fog lights and put a relay in the fuse panel. there is power at the fuse and at the relay. when i turn on the switch the fog kight don't work. the switch has to provide a ground to energize the relay, but it doesn't. does this mean that the body control module has to be programmed for the fog lights to work or should i be looking for a wiring problem from the switch. thanks pies.
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You might already know this but I thought sometimes the simplest things are overlooked...
Are the light bodies metal to metal contact to the frame of the car? Or is there rust or paint between the light bodies and frame?
The frame acts as the ground and there must be some kid of metal to metal. My foglights rusted a bit and stopped working so I removed them and cleaned off the rust, added some dielectric grease between the lights and frame and voila... started working again.
Hope this helps.