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 127 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP G

m

H

1. Reconnect connector to driver’s bulkhead.

2. Disconnect portable instrument panel wiring

harness from portable instrument panel

disconnect.

3. Place red lead of multimeter in socket P

(lead 459B) and black lead to ground.

4. Turn MASTER switch ON and check for

voltage.

5. Turn MASTER switch OFF.

Is voltage above 18 Vdc?

Repair or replace lead 400/459B of

bulkhead-to-portable instrument

panel wiring harness (para 8-49).

END OF TASK

3-27

Replace or repair lead 459B of

portable instrument panel wiring

harnes (para 8-57).