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 190 of 799

TM 9-2320-272-24-3

4-68. REAR WIRING HARNESS REPLACEMENT (Contd)

NOTE

Perform step 24 for M931/A1/A2 and M932/A1/A2 vehicles only.

24.

Remove locknut (4), screw (2), clamp (3), two ground wires (6), and lockwasher (5) from rear

crossmember frame rail (1). Discard locknut (4) and lockwasher (5).

NOTE

Perform step 25 for all vehicles except M931/A1/A2 and

M932/A1/A2 vehicles.

25.

Remove locknut (11), screw (7), two ground wires (10), and lockwasher (9) from rear frame

rail (8). Discard locknut (11) and lockwasher (9).

NOTE

Receptacle cover must be lifted and held open to remove top two

screws.

26.

Remove four locknuts (15), screws (17), receptacle cover (12), and trailer cable receptacle (13) from

rear crossmember frame (8). Discard locknuts (15).

27.

Pull rear portions of rear wiring harness (16) through hole (14) in rear crossmember frame (8).

b. Installation

CAUTION

Use care when routing harness. Snagging may occur, and forceful

pulling will result in damage to harness.

1.

Route rear wiring harness (16) through hole (14) in rear crossmember frame (8) and lay out in

approximate position.

NOTE

Receptacle cover must be lifted and held open to install top two

screws.

2.

Install trailer cable receptacle (13) and receptacle cover (12) with four screws (17) and new

locknuts (15).

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