Fog lights turning on, draining battery 02 Jeep Wrangler Sport
My fog light switch is supposed to only come on if i twist and turn on my other lights then PULL to turn the fog lights on. It is loose without twisting at all, and sometimes they just go on by themselves and if I don't notice they drain my battery. This is a SUPER frusterating problem. Tried taking out the relay fuse under the hood... didn't work. Does anyone know how to either take the steering column off or another way to find the wire? And WHICH wire it is??!!
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Apparently the 03 wranglers have a tendency to have faulty fog light switches. It might be that your fog light switch is broken and they stay on all the time, and drain the battery. I just had this happen to me and realized after jumping it twice, that my fog lights won't turn off. Hope this helps
I have a simular problem. Only mine does not some on. I tried to replace the turn signal switch assembly with a used one. The replacement work ok on the fog lights but the rest was bad. As near as I can figure it, the switch assemble is not well made and had many ways to go bad. Either replace the whole assemble or wire in a bipass switch. I am going to go with a bipass switch. I don't trust the new jeep products.
Coincidentally, starting today, 6/22, my '04 Wrangler with 85K miles started having the same symptom. It's not the relay though. My lights will turn off if i press in on the fog
light switch in the off position on the turn signal lever but when I
release the pressure they come back on. I also pulled the fog light relay to shut off the lights. Unfortunately, I believe the only solution is to replace the turn signal lever.
Or you could just pull out the relay under the hood, it's marked fog lights, pull the relay out. If your hi beam indicator is flashing with your fog lights on them selves. Could be the multi function switch. That controls turn signals, headlights, fog, I have seen many of those go bad.
There seems to be a problem on the power side. You should have at least one terminal at the relay that is hot. The switch activates the relay and transfers the power from the "live" terminal to the hot lead to the lights. Good news is you can completely disconnect fog lights and make your own harness (including a relay) and use a push button or toggle switch on the dash, just like the aftermarket add on lights use! (and it's likely cheaper and more reliable than the original setup)