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TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download

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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 STEPA I 1. Reconnect lead 29-31 to FUEL LEVELgage. B 2. Disconnect lead 28 from FUEL LEVEL gage. 3. Place red lead of multimeters in lead 28 and black lead to ground. 4. Turn MASTER switch ON and check for voltage. 5. Turn MASTER switch OFF. Is voltage present? c 1. Reconnect lead 28 to FUEL LEVEL gage. 2. Disconnect battery ground leads. 3. Disconnect portable instrument panel wiring harness from portable instrument disconnect. 4. Place a jumper wire from socket P (lead 459B) to socket C (lead 459). 5. Place red lead of multimeters in socket A (lead 28) and black lead to ground. 6. Turn MASTER switch ON and check for voltage. 7. Turn MASTER switch OFF. Is voltage present? FUEL LEVEL gage (para8-57) Repair or replace lead 28 of portable instrument panel wrong harness from 3-230 CONTINUED ON NEXT PAGE TM 9-2350-311-20-1