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 personnel cab
instrument panel B (WP 0311). Disconnect cab pump control wire harness
WINDSHIELD DELUGE switch connector. Turn battery disconnect switch to ON
position (WP 0007). Check for 22 to 28 VDC between cab pump control wire harness
wire 2343 (red) at WINDSHIELD DELUGE switch connector, terminal 6 and a known
If 22 to 28 VDC are not present, go to Step 25.