TM 10-3930-669-20 2-14.  ELECTRICAL SYSTEM TROUBLESHOOTING. This Paragraph covers Electrical System Troubleshooting.  The Electrical System Fault Index, Table 2-5, lists faults for the electrical system of the forklift. Table 2-5.  Electrical System Fault index Fault No. Troubleshooting Procedure Page 1. All 24 vdc Circuits Do Not Operate............................................................................. 2-124 2. Ammeter Gives No or Incorrect Reading .................................................................... 2-132 3. Fuel Gauge Gives No or Incorrect Reading ................................................................ 2-138 4. Transmission Temperature Gauge Gives No or Incorrect Reading  ............................ 2-144 5. All Gauges Do Not Operate........................................................................................ 2-150 6. Hour Meter Does Not Operate .................................................................................... 2-154 7. Taillights, Front Light, Gauge Lights, and Mast Light Do Not Operate ........................ 2-162 8. Rear Light(s) Does Not Operate ................................................................................. 2-168 9. Top, Front, and Rear Wipers Do Not Operate  ........................................................... 2-176 10. Rear Wiper Does Not Operate ................................................................................... 2-180 11. Rear Wiper Does Not Operate in LOW....................................................................... 2-184 12. Cab Light(s) Does Not Operate  ................................................................................ . 2-188 13. Gauge Light Does Not Operate  ................................................................................. 2-194 14. Stoplight Does Not Operate ....................................................................................... 2-198 15. Horn Does Not Operate ............................................................................................. 2-206 16. Fan(s) Does Not Operate  .......................................................................................... 2-214 17. Heater Blower Does Not Operate  ............................................................................. . 2-218 18. Heater Blower Does Not Operate in HIGH ................................................................. 2-224 19. Glow Plug Indicator Does Not Operate  ...................................................................... 2-228 2-122

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