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

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TM 9-2350-311-20-1 (1) GLOW PLUG WAIT LIGHT FAILS TO OPERATE; GLOW PLUG SYSTEM OPERATES USING MANUAL OVERRIDE General mechanic’s tool kit (item 64, Appx H) Two Multimeters (item 36, Appx H) TA-1 probe kit (item 43, AppX H) (Long test leads may be needed for some tests; Transmission access door open (TM 9-2350-311-10) 16 AWG wire may be used as an extension.) Air intake grille open (TM 9-2350-311-10) 1. Remove inoperative LED (para 8-17). 2. Place red lead of multimeters in center contact of socket and black lead to ground. 3. Turn MASTER and GLOW PLUGS switches ON and check for voltage. 4. Turn MASTER and GLOW PLUGS switches OFF. Is voltage present? Replace LED (para 8-17). 3-121