Yellow wire - Left stop and turn
Green wire - Right stop and turn
Brown wire - Tail lights, rear marker lights, front and rear side lights
White wire - Ground
State and Federal regulations require all types of trailers to be equipped with tail, stop, turn and side marker lights. Trailers over 80 inches wide must have clearance and identification lights. All the necessary lights are supplied by us, the manufacturer, However, it is the owner's responsibility to maintain them in good operating condition at all times.