Wiring
Wiring Diagrams3 modules. Pick one from the list to see its pinout and wire colours.
Pick one and only that diagram shows.
Fuse panel locations on this truck
| Panel | Where to find it | Status |
|---|---|---|
| FRC (Fuse and Relay Center) | Under the cover in the centre of the instrument panel | Verified |
| EFRC (External Fuse and Relay Center) | Under the hood - no decal, the cover carries the map | Verified |
| VECU | Near the FRC under the dash | Verified |
Wiring diagram
Vehicle ECU (VECU)
VIN: ______________
Rev: ______
Rev: ______
Pins are numbered on the module edge. Wire labels show circuit number, colour, and gauge.
A research compilation, not an OEM manual. Green means published and traceable; amber means second-hand, so check it. Where nothing was published the page says so rather than guessing.
Wiring diagram
ABS ECU
VIN: ______________
Rev: ______
Rev: ______
Pins are numbered on the module edge. Wire labels show circuit number, colour, and gauge.
A research compilation, not an OEM manual. Green means published and traceable; amber means second-hand, so check it. Where nothing was published the page says so rather than guessing.
Wiring diagram
Cab Cross I/O Module (CCIOM)
VIN: ______________
Rev: ______
Rev: ______
Pins are numbered on the module edge. Wire labels show circuit number, colour, and gauge.
A research compilation, not an OEM manual. Green means published and traceable; amber means second-hand, so check it. Where nothing was published the page says so rather than guessing.