2001-peterbilt-379-fuse-panel-diagram -

: Some 379 models feature a smaller mini-fuse panel behind the steering wheel or near the instrument cluster.

: A 50A fuse near the batteries that controls all power to the cab. 2001-peterbilt-379-fuse-panel-diagram

: This is the primary location for most interior and lighting circuits. It is typically found under the dashboard on the driver's side or behind a removable kick panel . : Some 379 models feature a smaller mini-fuse

: Often 5A (cab) or 30A (battery box) fuses dedicated to the engine control module. Troubleshooting & Resources 2001-peterbilt-379-fuse-panel-diagram

: Power for the diagnostic port (typically an orange wire with a red stripe).