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 168 of 799

TM 9-2320-272-24-3
4-67. FRONT WIRING HARNESS (M939A2) REPLACEMENT (Contd)
74.
75.
76.
77.
78.
79.
80.
81.
NOTE
Perform step 74 for M936A2 vehicles only.
Disconnect wire (2) from floodlight switch and auxiliary receptacle wire (1).
Remove cap (11) from diagnostic connector (16).
Remove nut (7), lockwasher (8), ground wire (9), and screw (13) from mounting bracket (15). Discard
lockwasher (8).
Remove nut (5), lockwasher (6), cap chain (10), and screw (12) from mounting bracket (15). Discard
lockwasher (6).
Remove two nuts (3), lockwashers (4), screws (14), and diagnostic connector (16) from mounting
bracket (15). Discard lockwashers (4).
NOTE
After harness wires have been removed in steps 79 through 82,
cables and hardware should be installed on terminal adapters for
installation.
Remove nut (22), screw (23), battery cables (26) and (25), and wire (24) from terminal clamp (19).
Remove nut (27), screw (29), battery cable (28), and wire (30) from terminal clamp (17).
Remove nut (31), screw (35), battery cables (32) and (34), and wire (33) from terminal clamp (18).
NOTE
Assistant will help with step 82.
82.
Carefully remove front wiring harness (21) from vehicle (20).
4-432


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