TM-9-2320-272-24-3

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 3 OF 4

JUNE 1998

TM-9-2320-272-24-3 - Page 133 of 799

TM 9-2320-272-24-3

4-66. FRONT WIRING HARNESS (M939/A1) REPLACEMENT (contd)

17.

Disconnect wires (25) and (32) from horn circuit breaker (26).

18.

Disconnect wires (27) and (30) from transmission control and spring brake circuit breaker (28).

19.

Remove and discard two tiedown straps (29) from wiring harness (31).

20.

Disconnect wire (34) from engine temperature switch wire (33).

21.

Disconnect wire (36) from personnel hot water heater (36).

22.

Disconnect wires (43) and (44) from horn solenoid (46).

23.

Disconnect wire (41) from transorb diode coupling assembly wire (42).

24.

Remove four tiedown straps (40) from front wiring harness cable (31). Discard tiedown straps (40).

25.

Remove three screws (39) and cable clamps (38) from firewall (37). Tag cable clamps (38) for installation.

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