Turn water pump engine off (WP 0022). Turn battery disconnect switch to OFF
position (WP 0007). Open pump operator's panel housing (WP 0325). Disconnect
pump operator's panel wire harness dual governor pressure switch wire harness
4-terminal connector. Disconnect pump operator's panel wire harness pump operator's
panel pressure governor, 12-terminal wire harness connector. With a test lead set,
check for continuity across wire 1182 from pump operator's panel pressure governor
12-terminal connector, terminal 12 to pump operator's pressure governor wire harness
4-terminal connector, terminal 1.
If continuity is present, replace dual governor pressure
switch (WP 0386).
If continuity is not present, repair wire 1182 in pump operator's panel
wire harness if repairable (TM 9-2320-325-14&P), or replace pump
operator's panel wire harness (WP 0459).