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 133 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP F

1. Reconnect connector to starter relay.

2. Place red lead of multimeter on leads

452A/14B at input terminal of bilge pump

circuit breaker and black lead to ground.

3. Turn MASTER switch ON, and check for

voltage.

4. Turn MASTER switch OFF.

Is voltage present?

I

Repair or replace lead 14B of engine

disconnect bracket-to-bulkhead

wiring harness (para 8-45).

Repair or replace lead 452A of engine

disconnect bracket-to-bulkhead wiring

harness (para 8-81).

CONTINUED FROM STEP F

I

1. Place red lead of multimeter in socket A

(lead 14) and black lead to ground.

2. Turn MASTER switch ON, push STARTER

switch and check for voltage.

3. Turn MASTER switch OFF.

Is voltage present?

I

Replace starter switch relay

(para 8-31).

CONTINUED ON NEXT PAGE

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