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 337 of 1275

TM 9-2350-311-20-1

CONTINUED FROM STEP B

Replace FUEL GAGE switch (para

8-17).

,

c

1. Reconnect lead 31 to lower FUEL GAGE

switch.

2. Place FUEL GAGE switch in LOWER

position.

3. Disconnect bulkhead-to-driver’s instrument

panel wiring harness from driver’s bulkhead,

4. Place a jumper wire from pin H to socket H

(lead 459).

5. Turn MASTER switch ON and check FUEL

LEVEL gage for a reading.

6. If FUEL LEVEL gage shows a maximum

reading, place a jumper wire from socket J

(lead 31) to ground.

7. Check gage for a reading.

8. Turn MASTER switch OFF.

Does FUEL LEVEL gage show minimum when

grounded and maximum when not grounded?

Repair or replace lead 31 of bulkhead-

to-driver’s instrument panel wiring

harness (para 8-50).

harness (para 8-47)

Repair or replace lead 31 of bulkhead-

to-headlights/bilge pump wiring

END OF TASK

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