Interior lights stopped working after WOT, no blown fuse..

triggz

Founding Member
May 15, 2002
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Gadsden, AL
Last night I was testing some things out and I went WOT a few times, and my interior lights just went out on me. They went dim for a second, then went out completely. The gauges and warning indicator lights all still work and the clock and odo reading are still lit up, but they're lit up in the 'daytime' brightness level like when your headlights are off. Turning the headlights on/off or turning the dimmer doesn't make them change brightness levels anymore, although every ~5 push/pulls the clock or odo will quickly blink off.

I checked all my fuses, found none blown. I put a voltmeter to the dimmer output and its not putting anything out anymore. I have some autometer gauges tee'd off this wire, but they've been on for years and I know they're wired up right. Disconnected their lights but that didn't help. My 4 gauges bulbs were all powered from that dimmer wire in parallel.. could it have finally been too much wattage, and if so what would have blown? This is how everyone else has had theirs wired up though and I don't see 4 small bulbs being too much.

TIA! :SNSign:
 
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I dont think the lighting fuses/relays are in the CCRM. Fan, fuel pump and other major electronics are in there. Plus there's already high-amp fuses for the headlights in the other fuse box.



edit:

I found two blown fuses in the fusebox near the battery

9 - 20A* - Auxiliary Power Point
10- 30A* - Parklamps

That explains it all, but what could cause those to pop? If the auxiliary power point is is the 12v plug in the center console, I think that ones been gone for a while. That plug stopped working a while back and I put in a 700w 120v power inverter in its place..
 
Your headlight switch went bad on you. Probably totally unrelated to going WOT.

You may want to check voltage at WOT to make sure the internal regulator in your alternator is ok. just run a multimeter to the battery terminals with some long leads and bring the meter in the car and go WOT and see what happens.
 
Your headlight switch went bad on you. Probably totally unrelated to going WOT.

You may want to check voltage at WOT to make sure the internal regulator in your alternator is ok. just run a multimeter to the battery terminals with some long leads and bring the meter in the car and go WOT and see what happens.


The switch is fine. I replaced those the fuse and after a few hours of driving around with the lights on the Parklamps fuse blew again. I was just cruising along this time, so I its not related to a voltage regulation problem like I thought from WOT. Any more ideas?