2001-peterbilt-379-fuse-panel-diagram
: Power for the diagnostic port (typically an orange wire with a red stripe).
: Usually an ignition-switched circuit used for trailer ABS and auxiliary cab power. 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 . : Power for the diagnostic port (typically an