Turn Signal & Headlight Problem

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Originally Posted by KyleSeal

What will that do with respect to the headlights? Just curious. Still learning, first truck.

Originally Posted by KyleSeal

We cleaned the connectors to the headlight with dielectric. When we 'wiggle' the connector it goes from bright to dim.

Grounds make a difference with everything. The cab and radiator core support sit on rubber bushings so they will not ground correctly without ground straps. That is also why you need a ground strap from the engine to the frame. The engine and transmission mounts are rubber cushions that isolate them from the frame....

If you are talking about dielectric grease it is not a cleaner. If you mean contact cleaner you still have to clean the mating contacts with a small flat file or fine sandpaper to get any corrosion off.

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