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Repair guides and support for the third generation of C/K pickup trucks.

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I have no brake tights and no turn signals but hazards work fine

My 78 chevy k10 recently had a flat bed put on it and now none of the power goes to any brake lights and turns on all four corners

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Brandon Bauer, this is going to be a bit of a troubleshooting job. What it sounds like is that the wiring harness is not properly connected to the light assemblies. Trace the wires and connect them according to specs so that you gain their function back. Here is the wiring diagram for your model and use that as your general guide for the tracing

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