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 332 of 1275

TM 9-2350-311 -20-1

3-3 TROUBLESHOOTING CHART — CONTINUED

s.

FUEL LEVEL INDICATOR CIRCUIT —

(1) FUEL LEVEL INDICATOR NEEDLE FAILS TO MOVE

CONTINUED

OR IS UNSTEADY; ALL OTHER GAGES OPERATE

PROPERLY — CONTINUED

CONTINUED FROM STEP A

F

1. Reconnect lead 29-31 to FUEL LEVEL

gage.

2. Disconnect lead 29-31 from FUEL GAGE

switch.

3.

Place red lead of multimeters in lead 29-31

and black lead to ground.

4. Turn MASTER switch ON and check for

voltage.

5. Turn MASTER switch OFF.

Is voltage present?

Replace FUEL GAGE switch (para 8-1 7).

Repair or replace lead 29-31 of bulkhead-to-

portable instrument panel wiring harness

I

(para 8-49).

END OF TASK

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