TEST OR INSPECTION
Remove skid plate grille (WP 0550). Disconnect main wire harness main 5 connector.
With a test lead set, check for continuity across main wire harness wire 2773 (red), from
main wire harness main 5 connector, terminal 8 to main wire harness pump operator's
panel wire harness connector DO 2, terminal 16.
If continuity is present, repair wire 2773 in pump control wire harness if
repairable (TM 9-2320-325-14&P), or replace cab pump control wire
harness (WP 0443).
If continuity is not present, repair wire 2773 in main wire harness if
repairable (TM 9-2320-325-14&P), or replace main wire
harness (WP 0455).
Prepare vehicle to pump from draft (WP 0025). Pull PUMP PRIME manual priming
If water is not drawn to water pump, go to Step 58.