Search results

The service lights run thru the trailer connector too. Everything on the trailer has to work with everything on the truck. With the hood connector undone and the connector on the turn signal switch disconnected you can read the resistance of the rear lamps thru the trailer receptacle. As long as...

If the problem is in the lighting system all of those lights can be unplugged for testing. Unplug the side marker lights because they're the easiest to get to and see if your problem is there. If the problem still exists I'd disconnect the taillights. There is no rear harness connector in the...

I have the pushbutton switch in mine only because I'm too lazy to put the old 3 lever switch back in. It's worked without and problems for years now but the thing I hate about it is that you have to look at it to operate it and that can be difficult if your driving. The 3 lever switch is...

The Master Light Switch is either in Service mode or Blackout mode. After lifting the Lock lever you move the topmost lever to the left for Blackout mode or to the right for Service mode. So if you've moved the top lever 1 detent to the right it's in "Service Stoplight" mode, 2 detents to the...