TM 5-4930-244-14
5-14.
HEATER WIRING HARNESS - REPAIR.
This Task Covers:
a.
Repair
Initial Setup:
Tools Required
Tool Kit, General Mechanic's: Automotive (Appendix B, Section III, Item 1).
Multimeter (Appendix B, Section III, Item 2).
Materials/Parts Required
Tags (Appendix E, Section II, Item 17).
Tape, Electrical (Appendix E, Section II, Item 18).
Equipment Condition
Unit shut down and cool.
Heater Control Box Assembly removed (para 4-45).
Wiring Harness removed (para. 4-46)
WARNING
Prevent electrical shocks or burns. DO NOT wear jewelry or dog tags when
working on electrical components.
a.
Repair.
(1)
Using the multimeter, check individual wires for continuity according to wiring diagram.
(2)
Replace wires having no continuity. Determine proper size and length of wire, or terminal, or connector to be
used for replacement by reading the wire chart
Wire Chart
TERMINATION
TERMINATION
LENGTH
FROM
TYPE
TO
TYPE
INCHES
CONNECTOR, 5-WAY.A
1
GROUND CIRCUIT
2
8
CONNECTOR, 5-WAY.D
1
CIRCUIT BREAKER
2
8
CONNECTOR, 5-WAY.B
1
TOGGLE SWITCH, ON-OFF
3
8
CONNECTOR, 5-WAY.E
1
TOGGLE SWITCH, ON-OFF-ON
4
8
CONNECTOR, 5-WAY.C
1
TOGGLE SWITCH, ON-OFF-ON
3
8
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