DRAFT
TM 5-4210-249-13&P-1
0114
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT03472
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 24.
Turn battery disconnect switch to OFF position (WP 0007). Remove relay 3 (WP 0402).
Turn battery disconnect switch to ON position (WP 0007). Check for 22 to 28 VDC
between cab power distribution wire harness wire 2834 (red) at relay 3 connector,
terminal 3 and a known good ground.
If 22 to 28 VDC are not present, replace cab power distribution wire harness
and block (WP 0441).
Step 25.
Turn battery disconnect switch to OFF position (WP 0007). Check for continuity across
cab power distribution wire harness wire 2865 (gray) from relay 3 connector, terminal 4
to relay 2 connector, terminal 3.
a.
If there is continuity, replace relay 2 (WP 0402).
b.
If there is no continuity, replace cab power distribution wire harness
and block (WP 0441).
0114-17