TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 CONTINUED FROM STEP C D 1. Reconnect bulkhead-to-driver’s instrument panel wiring harness to main light switch. 2. Place a jumper wire from socket G (lead 16) and socket E (lead 18) of dimmer switch connector. 3. Turn MASTER switch ON and check headlights for operation. 4. Turn MASTER switch OFF. I Do headlights operate? Replace dimmer switch (para 8-37). 1. Reconnect bulkhead-to-driver’s instrument Panel wiring harness to dimmer switch. 2. Remove headlight assembly (para 8-21). 3. Place red lead of multimeters in socket B (lead 17) and black lead to ground. 4. Turn MASTER switch ON and check for voltage. 5. Place red lead of multimeters in socket A (lead 18) and black lead to ground. 6. Check for voltage. 7. Turn MASTER switch OFF. Is voltage present in both locations? Replace headlight assembly (para 8-21 ). wiring harnes (para 8-47). Repair or replace leads 17 and/or 18 of bulkhead-to-headlight/bilge pump END OF TASK 3-247