So I just put on turn signals on my 386 mirrors today and there is no power coming out the wires marked FH turn and RH turn. The wires marked marker light works just fine but not the turn wires any one got some idea's to where I might look to resolve this? It 2015
386 Peterbilt mirror turn signals HELP
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by terryt, Nov 14, 2020.