alright, I have a serious problem which I have tried everything I know of and cannot figure out. My headlights, srs light, brights, right turn signal, reverse lights, and brake lights all work; however, my tail lights, left turn signal, and gauges illumination, and sidemarker lights do not work. I have checked all of the fuses, replaced both the relays inside the main fuse box in the engine, replaced the dimmer control switch and checked all of the bulbs. Please realize before you answer that there are about 10 exterior lights not working so I'm sure it isn't a bulb rather a circuit that is having issues. Does anyone have any other ideas or suggestions? I really don't want to take it to a mechanic as I can do work myself I just need help diagnosing the issue.

OK, what year are we talking about. And I am going to assume that the items at issue are all controlled by the big switch assembly on the steering column and I right or wrong? I suspect the switch assembly on the steering column that includes the wipers, lights, dimmer, etc. I have taken them apart, cleaned all contacts, put back together and everything works.

alright, I have a serious problem which I have tried everything I know of and cannot figure out. My headlights, srs light, brights, right turn signal, reverse lights, and brake lights all work; however, my tail lights, left turn signal, and gauges illumination, and sidemarker lights do not work. I have checked all of the fuses, replaced both the relays inside the main fuse box in the engine, replaced the dimmer control switch and checked all of the bulbs. Please realize before you answer that there are about 10 exterior lights not working so I'm sure it isn't a bulb rather a circuit that is having issues. Does anyone have any other ideas or suggestions? I really don't want to take it to a mechanic as I can do work myself I just need help diagnosing the issue.
Have you found the answer to your problem? The reason I ask is that I have the exact same issue....My tail lights, side markers and gauge illumination are all out. I checked all the fuses but haven't check the dimmer switch. I'd love to know how you made out.

Thanks,

Gerry