TM 5-3805-262-10
g. Wiring Harnesses.
1-14. ELECTRICAL SYSTEM (CONT)
FRONT WIRING HARNESS. Interconnects front driving lamps and flood lamps, black out
driving lamps, left and right instrument panels, turn signal lamps, return-to-dig
circuit, bucket height control circuit, control valve solenoids, and hydraulic filt-
er switch. Multi–pin connector mates with associated connector on rear harness.
REAR WIRING HARNESS. Interconnects engine and transmission sending units, rear flood
lamps, stop and tail lights, black out stop light-tail light, back-up alarm, and
starter and cab relay solenoids and associated circuit breakers. Multi-pin connector
mates with associated connector on front harness.
BLACKOUT LIGHTS WIRING HARNESS. Interconnects
driving lamp mounted on left front fender and
mounted at rear of loader. Connection between
block-type connectors.
front wiring harness to blackout
blackout stop lights-tail lights
wiring harnesses accomplished by
CAB UPPER WIRING HARNESS. Interconnects cab console wiring harness to cab dome
light, defroster fans, defogger, and turn signal lamp assemblies. Cab upper wiring
harness connector is mounted on cab wall just behind cab console. Connection between
wiring harnesses accomplished by block–type connectors.
CAB LOWER WIRING HARNESS. Interconnects front wiring harness to cab console wiring
harness and to circuit breakers mounted on cab switch panel. Connection between
wiring harnesses accomplished by block-type connectors.
CAB CONSOLE WIRING HARNESS. Interconnects cab upper wiring harness to cab lower
wiring harness and switches mounted on cab switch panel. Connection to cab upper
wiring harness accomplished by block-type connector; connection to cab lower wiring
harness accomplished by bullet terminals.
1-16
