TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
Page 222 of 1275
TM 9-2350-311-20-1 3-3 TROUBLESHOOTING CHART — CONTINUED i. GLOW PLUGS CIRCUIT (ENGINE MODEL 7083- (1) GLOW PLUG WAIT LIGHT FAILS TO OPERATE; 7391) — CONTINUED GLOW PLUG SYSTEM OPERATES USING MANUAL OVERRIDE — CONTINUED CONTINUED FROM STEP A 1. Install inoperative LED (para 8-17). 2. Disconnect lead 486 from GLOW PLUGS . indicator light. 3. Place red lead of multimeters on lead 486 and black lead to ground. 4. Turn MASTER and GLOW PLUGS switches ON and check for voltage. 5. Turn MASTER and GLOW PLUGS switches OFF. Is voltage present? Replace GLOW PLUGS indicator light (para 8-17). 3-122