: If corrosion is found, use a dedicated quick-drying electrical cleaner spray after removing all fuses and relays.
: Usually the fifth relay from the bottom on the right side of the distribution block. 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 : If corrosion is found, use a dedicated
: Additional relays, such as those for the ABS system or the A/C clutch, are often found behind the kick panel or lower dash panels, distinct from the main exterior fuse panel. Kenworth T80 or T800 fuse panel diagram needed
The 1998 T800 electrical system uses terminal strips and spare circuits to allow for adding options. Specific relays identified in service manuals include:
: Often grouped together; if multiple exterior lights fail simultaneously, it often indicates a loose ground or a blown main fuse in the firewall panel.