I turn my lights on, top front marker lights on trailer work, blinkers work and brake lights. Nothing else. I've tested the plug at the truck. Black wire has power, Brown does not. I've changed both switches, lights and interrupt. Any suggestions? Running a jumper to get by for now.
96 freightliner classic
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Wyndian, Mar 8, 2019.