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Old 01-05-2008, 01:49 AM   #1
RescueBronc
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Bronco Info: 1988 XLT 393 Stroker. MAF All LED/HID 10.25 rear 4 whl disc 8 Lug/Chevy Hubs D44HD SAS E-Locker
Running Lights Electrical Problem '88 Bronco

I have lost power to my running lights on my trailer tow connection. Stop/Turns are both still working. I've checked the Running light relay (drivers side inner fender) It has power and is working... also checked the fusible link going to it. ( inline down from the relay) I've removed it and jumped power across.. still no power at the trailer harness. The vehicle running lights work fine...
Also, power window works on the dash, but the key doesn't work in the back..
Same circuit?

Is there a fuse that I'm missing somewhere? I'm about to give up and just solder into the running light power in one of the tail lights.. all the trailers I pull have LED lighting, so they don't pull alot of power.. won't overload the circuit.

Any help would be appreciated.
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Old 11-11-2012, 11:02 PM   #2
Swilliams548
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Bronco Info: 1991 Bronco XLT 8" lifted soon to be on 35" tires
I'm having a similar problem, my running lights and my instrument panel lights do not light up when they are switched on. I'm about to trace the wires and check my fuses for voltage. I may have to replace the switches themselves.
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Old 11-19-2012, 09:29 PM   #3
Swilliams548
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Bronco Info: 1991 Bronco XLT 8" lifted soon to be on 35" tires
Come find out, it was the switch, there was a burnt out spot on the plastic clip of the harness where the big black wire is to be. Im rewiring it and installing a new switch tomorrow.
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