I just upgraded to 12 V and everything works great accept for the turn signals. I upgraded the flasher to a 12V I have installed original tail lights with 2 single filiment bulbs in each. One bulb for the taillights and one for the brake lights. It looks like when they added the turn signal unit they tagged into the brake wire. But I also have two aditional wires going to the rear as if to the tail lights but neither has voltage even with the key on and the turn signal lever pressed. Does anybody have a wire schematic for turn signal installation on AD P/U's where do the ground go and how does power flow? So I can rewire this mess. Thanks Zach


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