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 water pump engine to off (WP 0022). Turn battery disconnect switch to OFF
position (WP 0007). Remove cab instrument panel E (WP 0311). Disconnect main
wire harness personnel cab pressure governor 12-terminal wire harness connector from
personnel cab pressure governor. Open pump operator's panel housing (WP 0325).
Disconnect main wire harness dual governor pressure switch wire harness 4-terminal
connector. With a test lead set, check for continuity across wire 2000 in main wire
harness from personnel cab pressure governor 12-terminal wire harness connector,
terminal 8 to dual governor pressure switch wire harness 4-terminal connector,
If continuity is present, replace dual governor pressure
switch (WP 0386).
If continuity is not present, repair wire 2000 in main wire harness if
repairable (TM 9-2320-325-14&P), or replace main wire
harness (WP 0455).