Ford L9000 Wiring Diagram. Discussion in 'trucks' started by planecrazzzy, apr 5, 2017. Posted by trevor pilgreen on mar 04, 2017. 1994 Ford l9000 wiring diagram from automotorpad.com This is the original wiring diagram. Totally free ford wiring diagrams. Wjth all that said if you are having problems with the rear lights failure of the […]