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

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TM 9-2350-311 -20-1 3-3 TROUBLESHOOTING CHART — CONTINUED y. HI-BEAM INDICATOR LIGHT CIRCUIT — HI-BEAM INDICATOR LIGHT FAILS TO OPERATE; ALL CONTINUED OTHER LIGHTS OPERATE T OO I S General mechanic’s tool kit (item 64, Appx H) Muitimeter (item 36, Appx H) TA-1 probe kit (item 43, Appx H) 1. Remove inoperative HI-BEAM indicator light bulb (para 8-17). 2. Place red lead of multimeters in center contact of socket and black lead to ground. 3. Turn MASTER switch ON, place main light switch in SER. DRIVE position, and check for I voltage. 4. Turn MASTER and main light switches OFF. I Is voltage present? Replace HI-BEAM indicator light bulb (para 8-17). Driver's instrument panel released (para 8-17) CONTINUED ON NEXT PAGE 3-282