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towing 07 wiring trailer

  1. Help with 07 Factory Towing Wiring Harness

    Tundra
    Hi Everyone, I am hoping someone can help me out... I have an 07 Tundra Doublecab with the factory tow package. When I hook my boat up, and turn my truck headlights on, the trailer lights up fine. Unfortunately, the left and right turn signals and the brake lights don't work. This is the same...
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