Main Cab Wiring Harness Replacement

TM 9-2320-363-34-1 · Chapter 4 — Electrical System Maintenance

This task covers: a. Removal b. Cleaning c. Inspection d. Installation

Tools and Special Equipment:                      Equipment Condition:
Shop Equipment, SC 4910-95-CL-A31                 Reference              Condition Description
Tool Kit, SC 5180-90-CL-N05
                                                  TM 9-2320-363-20       Batteries Disconnected
References:
TM 9-2320-363-20
TM page 4-23
NOTE

l Wiring harness and leads are secured in place by clips, wire ties, cushion clamps, and screw terminals.

l Only remove hardware securing harness or lead to be removed.

1. DISCONNECT RELAY AND FUSE PANEL (1).

2. DISCONNECT 42-PIN CONNECTOR (2), 34-PIN CONNECTOR (3), 32-PIN CONNECTOR (4), 6-PIN SEALED CONNECTOR (5), AND FOUR RING TERMINALS (6).

3. DISCONNECT THREE RING TERMINALS (6), 12-PIN CONNECTOR (7), FEMALE TERMINAL BLADE (8), 6-PIN FEMALE CONNECTOR (9), 3-PIN SEALED CONNECTOR (10), TWO 3-PIN FEMALE CONNECTORS (11), 1-PIN MALE CONNECTOR (12), AND SIX 1-PIN FEMALE CONNECTORS (13).

PDF page 390

4 DISCONNECT THREE RING TERMINALS (6), 6-PIN FEMALE CONNECTOR (9), TWO 3-PIN FEMALE CONNECTORS (11), 1-PIN MALE CONNECTOR (12), 1-PIN FEMALE CONNECTOR (13), 12-PIN DIAGNOSTIC CONNECTOR (14), 3-PIN MALE CONNECTOR (15), TWO 2-PIN CONNECTORS (16), AND 2-PIN FEMALE CONNECTOR (17).

NOTE Perform steps 4.1 and 4.2 for all except M915A2 and M916A1.

4.1 DISCONNECT 2-PIN MALE CONNECTOR (6.1).

4.2 REMOVE EIGHT SCREWS (14.1) AND REMOVE 6-PIN DIAGNOSTIC CONNECTOR (14.2) AND 9-PIN DATA LOGGER CONNECTOR (14.3).

4-24 Change 1

TM page 4-25
Illustration from TM 9-2320-363-34-1 (PDF page 391)

5. DISCONNECT RING TERMINAL (6), 6-PIN FEMALE CONNECTOR (9), FOUR 3-PIN FEMALE CONNECTORS (11), TWO 1-PIN MALE CONNECTORS (12), TWO 1-PIN FEMALE CONNECTOR (13), 2-PIN MALE CONNECTOR (16), 12-PIN LIGHT SWITCH CONNECTOR (18), AND 32-PIN CONNECTOR (19).

TM page 4-26
Illustration from TM 9-2320-363-34-1 (PDF page 392)

6. DISCONNECT FIVE 6-PIN FEMALE CONNECTORS (9), 3-PIN SEALED CONNECTOR (10), THREE 1-PIN FEMALE CONNECTORS (13), THREE 2-PIN MALE CONNECTORS (16), THREE 2-PIN FEMALE CONNECTORS (17), FOUR 4-PIN MALE CONNECTORS (20), THREE 4-PIN FEMALE CONNECTORS (21), AND 2-PIN SEALED CONNECTOR (22).

TM page 4-27
Illustration from TM 9-2320-363-34-1 (PDF page 393)

7. USCONNECT TWO RING TERMINALS (6), 2-PIN MALE CONNECTOR (16), THREE 4-PIN MALE CONNECTORS (20), AND THREE 6-PIN MALE CONNECTORS (23).

TM page 4-28
Illustration from TM 9-2320-363-34-1 (PDF page 394)

8. REMOVE MAIN CAB WIRING HARNESS (24).

Use general cleaning methods to clean all parts (page 2-30).

Inspect all parts for wear or damage.

TM page 4-29
Illustration from TM 9-2320-363-34-1 (PDF page 395)
NOTE

Wiring harness and leads are secured in place by clips, wire ties, cushion clamps, and screw terminals. Make sure wiring harness is secure and all hardware is tight.

1. CONNECT RELAY AND FUSE PANEL (1),

2. CONNECT 42-PIN CONNECTOR (2), 34-PIN CONNECTOR (3), 32-PIN CONNECTOR (4), 6-PIN SEALED CONNECTOR (5), AND FOUR RING TERMINALS (6).

TM page 4-30
Illustration from TM 9-2320-363-34-1 (PDF page 396)

3 . CONNECT THREE RING TERMINALS (6), 12-PIN CONNECTOR (7), FEMALE TERMINAL BLADE (8), 6-PIN FEMALE CONNECTOR (9), 3-PIN SEALED CONNECTOR (10), TWO 3-PIN FEMALE CONNECTORS (11), 1-PIN MALE CONNECTOR (12), AND SIX 1-PIN FEMALE CONNECTORS (13).

TM page Change 1 4-31
NOTE Perform steps 3.1 and 3.2 for all except M915A2 and M916A1.

3.1 INSTALL 9-PIN DATA LOGGER CONNECTOR (14.3) AND 6-PIN DIAGNOSTIC CONNECTOR (14.2) WITH EIGHT SCREWS (14.1).

3.2 CONNECT 2-PIN MALE CONNECTOR (6.1).

4. CONNECT THREE RING TERMINALS (6), 6-PIN FEMALE CONNECTOR (9), TWO 3-PIN FEMALE CONNECTORS (11), 1-PIN MALE CONNECTOR (12), 1-PIN FEMALE CONNECTOR (13), 12-PIN DIAGNOSTIC CONNECTOR (14), 3-PIN MALE CONNECTOR (15), TWO 2-PIN CONNECTORS (16), AND 2-PIN FEMALE CONNECTOR (17).

TM page 4-32

5. CONNECT RING TERMINAL (6), 6-PIN FEMALE CONNECTOR (9), FOUR 3-PIN FEMALE CONNECTORS (11), TWO 1-PIN MALE CONNECTORS (12), TWO 1-PIN FEMALE CONNECTOR (13), 2-PIN MALE CONNECTOR (16), 12-PIN LIGHT SWITCH CONNECTOR (18), AND 32-PIN CONNECTOR (19).

TM page 4-33
Illustration from TM 9-2320-363-34-1 (PDF page 399)

6. CONNECT FIVE 6-PIN FEMALE CONNECTORS (9), 3-PIN SEALED CONNECTOR (10), THREE 1-PIN FEMALE CONNECTORS (13), THREE 2-PIN MALE CONNECTORS (16), THREE 2-PIN FEMALE CONNECTORS (17), FOUR 4-PIN MALE CONNECTORS (20), THREE 4-PIN FEMALE CONNECTORS (21), AND 2-PIN SEALED CONNECTOR (22).

TM page 4-34
Illustration from TM 9-2320-363-34-1 (PDF page 400)

7. CONNECT TWO RING TERMINALS (6), 2-PIN MALE CONNECTOR (16), THREE 4-PIN MALE CONNECTORS (20), AND THREE 6-PIN MALE CONNECTORS (23).

TM page 4-35

8. SECURE MAIN CAB WIRING HARNESS (24).

NOTE Follow-on Maintenance:

Connect batteries (TM 9-2320-363-20).

TM page 4-36 Change 1