Personnel Heater Control System
Personnel heater control system malfunctioning.
Personnel heater fails to operate. Do steps 1 thru 14.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry contacts a metal surface a direct
short may result in instant heating of tools, damage to equipment, and injury or death to personnel.
Disconnect wire 400 of switch panel to head lamps and bulkhead wiring harness from connector at
HEATER CONTROL box. Place red lead of multimeter in wire 400 and black lead to ground. Turn
MASTER switch on and check for voltage. Turn MASTER switch OFF. If voltage is present, go to step
2. If voltage is not present, go to step 12.