TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 775 of 1275

TM 9-2350-311-20-1

8-51 DRIVER’S INSTRUMENT PANEL WIRING HARNESS — CONTINUED

a. Removal

1 Disconnect connector wire 10 at STARTER switch (1).

2 Disconnect connector wire 10 at FLAME HEATER switch (2) (engine model 7083-7396) or GLOW PLUGS

switch (2) (engine model 7083-7391 ).

3 Disconnect connector wire 588 at FUEL PRIME switch (3).

4 Disconnect connector wire 450 at BILGE PUMP switch (5).

5 Disconnect connector wire 509E at PARKING BRAKE warning light lead (6).

6 Disconnect connector wire 450 at circuit breaker (7).

7 Disconnect connector wire 588 at circuit breaker (8).

8 Disconnect connector wire 10 at circuit breaker (9).

9 Disconnect connector wire 459A at wiring harness (4).

b. Installation

1 Connect connector wire 459A at wiring harness (4).

2 Connect connector wire 10 at circuit breaker (9).

3 Connect connector wire 588 at circuit breaker (8).

4 Connect connector wire 450 at circuit breaker (7).

5 Connect connector wire 509E at PARKING BRAKE warning light lead (6).

6 Connect connector wire 450 at BILGE PUMP switch (5).

7 Connect connector wire 588 at FUEL PRIME switch (3).

8 Connect connector wire 10 at FLAME HEATER switch (2) (engine model 7083-7396) or GLOW PLUGS switch

(2) (engine model 7083-7391 ).

9 Connect connector wire 10 at STARTER switch (1).

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