TM 10-3930-664-24 Table 2-2.  Unit Troubleshooting Symptom Index Symptom Symptom Title Page Number Number ENGINE TROUBLESHOOTING 1 Engine Will Not Crank 2-19 2 Engine Cranks But Will Not Start, No Smoke From Exhaust 2-21 3 Engine Cranks But Will Not Start, Smoke From Exhaust 2-23 4 Engine Starts But Will Not Keep Running 2-26 5 Engine Will Not Start Using Cold Starting Aids 2-27 6 Engine Misfires or Runs Rough 2-28 7 Low Engine Power 2-30 8 Engine Overheats 2-33 ) Engine Uses Too Much Oil 2-34 10 Engine Uses Too Much Fuel 2-35 11 Black Exhaust 2-36 12 White Exhaust 2-36 13 Engine Does Not Reach Operating Temperature 2-37 14 Low Engine Oil Pressure 2-38 15 Excessive Engine Oil Pressure 2-39 STARTING/CHARGING SYSTEM 16 Alternator Is Not Charging Or Insufficient Charging 2-40 17 Starter Turns Slowly 2-41 18 Low Battery Output 2-43 LIGHTING SYSTEM 19 Blackout Drive Lights Do Not Work 2-44 20 Work/Drive Lights, Horn, And Back-Up Alarm 2-45 Operate In Blackout Mode 21 Work/Drive Lights Do Not Work 2-46 22 Stop and Blackout Taillights Do Not Work 2-47 WARNING SYSTEM 23 Horn Does Not Sound 2-48 24 Backup Alarm Does Not Sound 2-49 GAUGES AND METERS 25 All Gauges and Hourmeter Do Not Operate 2-50 26 Fuel Level Gauge Does Not Work or Gives 2-50 Inaccurate Fuel Level Readings 27 Engine Temperature, Transmission Temperature, 2-51 or Oil Pressure Gauge Does Not Operate 2-10

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