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.
Remove EMR II inline fuse from pump operator's panel wire harness EMR II inline fuse
holder. With a test lead set, check for continuity across wire 4045 (red) from EMR II
inline fuse holder terminal to water pump engine ECU vehicle connector, terminal 14.
If continuity is not present, repair wire 4045 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).