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.
Install lamp in pump operator's panel FOAM SYSTEM indicator (WP 0327). Open
pump operator's panel housing (WP 0325). Check for continuity across pump
operator's panel wire harness wire 3895 (black) from pump operator's panel wire
harness FOAM SYSTEM indicator terminal to a known good ground.
If there is no continuity, repair wire 3895 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).