TEST OR INSPECTION
Crew cab in-line fuse is located behind ladder rack control panel.
Remove crew cab in-line 15 amp fuse (WP 0394). Check for continuity across fuse.
If there is no continuity, replace crew cab in-line 15 amp fuse (WP 0394).
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.
Check for 10 to 14 VDC between wire 2075 at crew cab 15 amp in-line fuse holder and
a known good ground.
If 10 to 14 VDC are present, repair wire 2771 in crew cab wire harness if
repairable (TM 9-2320-325-14&P), or replace crew cab wire
harness (WP 0446).