Hey everyone, I'm brand new to the forums so go easy on me.
I have factory fog light set up on my XJ, when I purchased my XJ I bought new fog lights to replace the broken ones. They worked perfectly for around 6 months then one day they would not turn on. I'm assured that both light bulbs are not burnt out, because they both went out at the same time. Plus, the light on the switch in my interior still lights up... (Both are plugged in too :P)
Ways I've tried to fix it:
Replaced the fuse relay. --> Still does not work, switch still lights up.
I have another switch to swap in if everyone thinks that is the issue, because I've heard those go out pretty quickly but I'd rather not have to if there could be another easy trouble shoot first.
XJ's have notoriously feeble wiring for head lights and fog lights. Inspect your fog light switch for dirty/damaged contacts or overheating damage. Check the mini fuses under the hood, one is for the fog lamps. Test for 12 volts at the bulbs. Test the bulbs.
If you continue to have issues, you may want to use you factory switch to power a standard relay and upgraded wiring that you purchase and install.
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Checked the mini fuses in the power distribution center under the hood (with help of CJ7-Tim's diagram) and the fuse was blown. Replaced with a matching one, tried it out.. and nothing. It blew the 2nd fuse. Tried a 20amp fuse, blew that too. Not sure what is going on here electrically, but I assume this is where the problem lies.