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Help Finding Short in Wiring - Dash lights, running lights, low beams


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Like the title says, I have a short in my wiring somewhere.

 

I rebuilt the combo switch, so that's not the problem. I also took out the fuse box, and it looks OK.

 

My hi-beams work, but not the low beams. The low beams, dash lights, and running lights are all on the same circuit, and that circuit's 15A fuse is blowing. I tested and I have a complete circuit between ground and the green/white stripe line that feeds those systems, which obviously shouldn't be happening.

 

I don't really know what to do to track down the short. I did notice that I had some mouse activity at some point, a chew hole through the back right strut tower cover. That's conveniently very close to the wiring harness to the back, so I'm thinking maybe I have a chewed wire back there maybe? As far as I know, that harness is between two sheet metal panels, and I don't think I can get to it.

 

I've searched for similar problems, and most problems were fixed by rebuilding the combo switch, where as my problem seems to be a short. Any suggestions?

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  • 2 months later...

So just to bring this up to date, i've gotten the running lights working, and I come to find out the head lights always worked.

 

If I turn the dash light dimmer all the way down (off) my running lights work fine, no fuses blow. As soon as I start tuning up the rheostat, the fuse blows. So at least i've isolated the short to the dash light grounding system. Ideas?

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