DRAFT
TM 5-4210-249-13&P-1
0114
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT03459
WARNING
ICON 3
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.
Step 16.
Release PUMP COOLER switch (WP 0004). Remove cab instrument panel
A (WP 0311). Remove relay 3 (WP 0402). While an assistant holds cab PUMP
COOLER switch to off position (WP 0004), check for 22 to 28 VDC between cab power
distribution wire harness wire 4038 (brown) at relay 3 connector, terminal 1 and a
known good ground.
If 22 to 28 VDC are not present, repair wire 4038 in cab power distribution
wire harness if repairable (TM 9-2320-325-14&P), or replace cab power
distribution wire harness and block (WP 0441).
Step 17.
Turn battery disconnect switch to OFF position (WP 0007). Check for continuity across
cab power distribution wire harness wire 1640 (black) from relay 3 connector, terminal 2
to a known good ground.
a.
If there is continuity, replace relay 3 (WP 0402).
b.
If there is no continuity, replace cab power distribution wire harness
and block (WP 0441).
0114-12