TM 10-3930-659-20 4-3. TROUBLESHOOTING SYMPTOM INDEX (Con't). Troubleshooting Procedure Page ELECTRICAL TROUBLESHOOTING (Con't) Engine: Cranks Slowly............................................................................................................................... 4-28 Hourmeter Not Working................................................................................................................ 4-31 Started and Starter Motor Continues to Run.................................................................................. 4-28 Starting Aid Not Working .............................................................................................................. 4-29 Startup is Noisy ............................................................................................................................ 4-29 Will Not Start But Starter Motor Turns .......................................................................................... 4-27 Fan Not Working: Defroster ...................................................................................................................................... 4-35 Heater .......................................................................................................................................... 4-34 Floodlight, Adjustable Not Working ........................................................................................................... 4-34 Front Windshield Wiper Motor Not Working .............................................................................................. 4-35 Fuel Gage Not Working............................................................................................................................. 4-29 Gage Not Working: Fuel  ............................................................................................................................................. 4-29 Transmission Oil Temperature...................................................................................................... 4-30 Gravity Reading, Specific: High (Overcharged Batteries) ....................................................................................................... 4-25 Low (Undercharged Batteries)....................................................................................................... 4-24 Heater Fan Not Working ........................................................................................................................... 4-34 Horn Not Working ..................................................................................................................................... 4-30 Hourmeter, Engine Not Working................................................................................................................ 4-31 Lights Not Working: Blackout ....................................................................................................................................... 4-33 Brake............................................................................................................................................ 4-32 Domelight ..................................................................................................................................... 4-33 Driving.......................................................................................................................................... 4-32 Emergency Flashers..................................................................................................................... 4-31 Floodlight, Adjustable ................................................................................................................... 4-34 Turn Signals ................................................................................................................................. 4-31 Worklights, Rear........................................................................................................................... 4-34 Noisy: Alternator...................................................................................................................................... 4-21 Engine Startup.............................................................................................................................. 4-29 Overcharged Batteries (High Specific Gravity Reading) ............................................................................ 4-25 Rear Window Wiper Motor Not Working.................................................................................................... 4-35 Rear Worklights Not Working.................................................................................................................... 4-34 Starter Motor: Continues to Run After Engine Is Started...................................................................................... 4-28 Turns But Will Not Start Engine .................................................................................................... 4-27 Will Not Crank Engine .................................................................................................................. 4-26 4-5

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