TEST OR INSPECTION
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Turn battery disconnect switch to OFF position (WP 0007). Remove driver side crew
cab access panel (WP 0499). Remove pump house panel Q (WP 0540). Disconnect
main wire harness valve control wire harness connector DV1. With a test lead set,
check for continuity across valve control wire harness wire 2843 (red) from main wire
harness valve control wire harness connector DV1, terminal 4 to valve control wire
harness foam A shutoff control valve connector, terminal 1.
If there is continuity, repair wire 2843 in main wire harness if
repairable (TM 9-2320-325-14&P), or replace main wire
harness (WP 0455).
If there is no continuity, repair wire 2843 in valve control wire harness if
repairable (TM 9-2320-325-14&P), or replace valve control wire
harness (WP 0463).