I powered my wireless camera from the rear running light. Just need to have the headlights on for it to work. Only two negatives: Gets dirty, especially in the rain. In really hot weather, when the camera faces the sun, it will sometimes black-out temporarily (like 4 or 5 seconds).
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2016 Montana High Country 310RE
2020 Chevrolet Silverado 3500 HD LT CC 4x4 Duramax
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