LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

UCF10 (90-92) Fog lights not working...

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Old 01-21-09, 03:45 PM
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avalon42
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Default UCF10 (90-92) Fog lights not working...

...ok, don't beat me with the search stick yet. I did search, and if I missed it, I'M SORRY.

My fog lights do not work at all on my car. I checked the bulbs, hooked directly to the battery and it works. Then I checked the fog light fuse and the relay. I replaced the relay, because I couldn't hear the relay click on or off. I used a multimeter and could not detect any voltage from the fog light socket. Could it be the factory switch?

I looked at this thread for a little guidance, and might end up wiring it completely separate from the car but I'd like to keep it factory as much as possible.

Any other ideas on what might be going on?

Thanks in advance.
https://www.clublexus.com/forums/ls4...r-ucf10-3.html
Old 01-21-09, 07:31 PM
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trukn1
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Could be the switch itself on the stalk. Sound like you eliminated pretty much everything else.
Old 01-21-09, 08:41 PM
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avalon42
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Yea, what I'll do tomorrow is wire it separately to another switch in the cabin. If it doesn't fire up, then I know its not the switch on the stalk and it would be somewhere else.

I wish I had that electrical probe tester that lights up when you hit a live circuit.
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