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TM-9-2320-361-24-1 Page 183

TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks

Page 183 of 1176


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TM 9-2320-361-24-1 0011 00 0011 00-1 BATTERY SYSTEM All vehicle electrical systems inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 2 STARTING SYSTEM 1. Starter will not crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 6 2. Starter motor operates, but engine cranks slowly . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 14 CHARGING SYSTEM (60 AMP) 1. No alternator output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 19 2. Batteries not charging properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 24 3. Batteries hot or boiling, corrected specific gravity of all cells is 1.280 . . . . . . . . . . . 0012 00 24 4. Batteries use excessive water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 24 5. Batteries run down in operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 24 CHARGING SYSTEM (100 AMP) 1. No alternator output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 25 2. Batteries not charging properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 27 3. Batteries hot or boiling, corrected specific gravity of all cells is 1.280 . . . . . . . . . . . 0012 00 27 4. Batteries use excessive water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 27 5. Batteries run down in operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0012 00 28 LIGHTING AND WIPER SYSTEM 1. Headlight does not operate on low or high or both headlights inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 1 2. Park lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 5 3. Taillight or clearance lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 6 4. Stoplight lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 6 BLACKOUT LIGHTS (B. O.) 1. B. O. headlamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 8 2. B. O. light marker lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 9 3. B. O. taillight lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 10 4. B. O. stoplight lamp does not light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 11 DIRECTIONAL SIGNAL SYSTEM 1. Direction signal inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 12 2. All stoplights are inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 18 3. Both direction signals inoperative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 20 4. Turn signals operate incorrectly with turn signal control lever in one or more positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0013 00 21 FIELD TROUBLESHOOTING 2-1/2 TON, 6X6, M44A2 SERIES TRUCKS (MULTIFUEL) ELECTRICAL SYSTEM TROUBLESHOOTING INDEX MALFUNCTION TROUBLESHOOTING NO. MALFUNCTION WORK PACKAGE/PAGE