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 145 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP H

I

1. Place red lead of multimeter in socket A

(lead 2) and black lead to ground.

2. Turn MASTER switch ON and check for

voltage.

3. Turn MASTER switch OFF.

Is voltage present?

Repair or replace lead 2 of driver’s

bulkhead-to-master relay wiring

harness (para 8-46).

CONTINUED FROM STEP F

J

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 relay box (para 8-

31).

CONTINUED ON NEXT PAGE

3-45