1. N

    Truck Repair 1991 Peterbilt 379 Rebuild

    Hello Everyone I purchased a 1991 379 in 2000 with the vision of one day giving it a proper rebuild when the time comes. I built the truck back then and operated it for 15 years until the frame got to the point where it would not safety. Now I guess is the time. Currently has a 3406B that I...
  2. N

    1998 Peterbilt 379 turn signal issue. HELP!

    I have a 98 Peterbilt 379. Left turn signal doesn't work, right one works fine and the 4ways work. LED everything for lights. I've checked grounds and tried 2 different flashers and put in a new turn signal switch, have a wiring diagram, following the diagram and according to the diagram there...