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Electrical Problems!!!!

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Old Mar 5, 2011 | 09:02 PM
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myersohana09's Avatar
myersohana09
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Electrical Problems!!!!

Ok guys time to tap your knowledge...

I recently purhcased a 76 250 Highboy to resotre. I am having a hell of a time figuring this out so here we go..

I have know lights from the bed of the truck back. No Tail Lights, no break lights, no marker lights, and no turn signal. I immediately thought the harness and the wires had gone to crap, but they seem to be ok. The yahoo who had it before me spliced in a trailer brake system and I can identify what wires belong there or not. I disconnected the harness under the hood and placed a meter to it and is is flatlined with the headlights on (the head lights and front maker lights work just fine).

One more thing... when I put the truck in reverse, the rear bed marker lights come on.. but when I put pull the headlight switch the lights go off. I am at a total loss and am on my knees looking for help
 
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Old Mar 5, 2011 | 09:55 PM
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gmoon's Avatar
gmoon
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get a haynes book for ur truck it will have a wiring diagram so u can see what wires r susposed to go were
 
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