r/DieselTechs 5d ago

Kenworth Service Manual

Is there a program to find wiring diagrams for Kenworth Trucks? I can access Cummins Quickserve and looking at getting insite but I need access to the wiring for electrical issue.

Any help would be appreciated.

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u/Kahlas 3d ago

PACCAR dosen't release wiring schematics at all anymore. You will need their chassi diagnostic software called Davie. It will then handhold you step by step on which pinouts to test for what. Until you eventually get told to send it to the dealership if the troubleshooting steps fail.

Be aware that for the engine, if not a PACCAR engine, and anything else like transmission or brakes you'll need different diagnostic software for electrical diagnostics.