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 121 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP F

1.

2.

3.

Reconnect lead 459 to bulkhead-to-portable

instrument panel wiring harness connector.

Disconnect portable instrument panel wiring

harness from instrument panel disconnect.

Place a jumper wire from socket P (lead

459 B/400) to pin P (lead 459 B).

4. Place red lead of multimeter on pin C (lead

459) and black lead to ground.

5. Turn MASTER switch ON, and check for

voltage.

6. Turn MASTER switch OFF.

Is voltage present?

Repair or replace lead 459 of

portable instrument panel wiring

harness (para 8-57).

I

Repair or replace lead 459 of

bulkhead-to-portable instrument panel

wiring harness (para 8-49).

3-21