Auovo 4″ Round 24 LED Lights 10V/12V/24V/30V Taillight Side Maker Light for Truck Trailer RV UTV #7

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(Professional installation is strongly recommended to avoid trouble caused by inexperienced installer!)

Red light:
White wire: ground
Red wire: brake light
Black wire: running light

White light:
White wire: ground
Red wire: reverse light (bright)
Black wire: reverse light (dim)