Turn signal wiring harness?

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My truck has had nothing but issue after issue with the turn signals and taillights. I put a new bed on, and now I don't have any power running through the harness that runs down the driver side frame channel. At this point I'm ready to put in a whole new harness for all the lights. Does anyone know where I can find headlight/turn signal harnesses or at least the part #'s for them? I already obtained the wiring harness that connects all the lights on the bed (it's a dually).
 

JOHNGAAA1

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Do you have power going to the junction plug under the drivers door on the frame?
 

Nad_Yvalhosert

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If it worked before and you replaced the bed, recheck your work before loading up the parts cannon.

Check your ground wires.
Check all your fuses.
Verify you didnt pinch the harness between the body and frame.
 
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Joined
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Location
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If it worked before and you replaced the bed, recheck your work before loading up the parts cannon.

Check your ground wires.
Check all your fuses.
Verify you didnt punch the harness between the body and frame.
I’ve always had power to the taillights but I’ve always had issues with the turn signals not flashing like they should. Basically they would flash but not very brightly
 
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