engine fan. cummins. n14.

  1. J

    Engine fan wiring problem

    Truck is 1998 Freightliner classic Peterbilt style removable sleeper. Engine 2000 525 N14 Cummins. Trying to figure out how to wire my engine fan to kick on automatically when needed. Right now only the switch in the truck will control it. It's not a factory solenoid. It was on here when got...