: Many electrical failures on this model are traced to broken or loose ground wires, which are typically white in Kenworth schematics.
: If corrosion is found, use a dedicated quick-drying electrical cleaner spray after removing all fuses and relays. 1998-kenworth-t800-fuse-panel-diagram
For detailed schematics, technicians often reference the KM815020 Pre-2001 Service Manual which covers the B-Cab power distribution boxes. Kenworth T80 or T800 fuse panel diagram needed : Many electrical failures on this model are