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 battery disconnect switch to OFF position (WP 0007). Remove cab instrument
panel B (WP 0311). Disconnect cab pump control wire harness TANK TO PUMP switch
connector. Disconnect wire 2855 (red) from TANK TO PUMP indicator terminal. Check
for continuity across cab pump control wire harness wire 2855 (red) from TANK TO
PUMP switch connector, terminal 6 to TANK TO PUMP indicator connector.
If there is no continuity, repair wire 2855 in cab pump control wire harness if
repairable (TM 9-2320-325-14&P), or replace cab pump control wire
harness (WP 0443).