TM 10-3930-659-20 CHAPTER 6 ELECTRICAL SYSTEM MAINTENANCE Paragraph Page Number Paragraph Title Number 6-1 Alternator Replacement  ...................................................................................... 6-3 6-2 Alternator Pulley Replacement  ........................................................................... 6-11 6-3 Starter Motor Replacement ................................................................................. 6-12 6-4 Neutral Start Switch Replacement  ...................................................................... 6-17 6-5 Fault Monitor Module Replacement  .................................................................... 6-19 6-6 Fault Monitor Bulb Replacement ......................................................................... 6-24 6-7 Transmission Oil Temperature Gage and Fuel Gage Maintenance  ..................... 6-26 6-8 Engine Hourmeter Replacement  ......................................................................... 6-29 6-9 Instrument Panel Light Maintenance  ................................................................... 6-30 6-10 Ignition Switch Replacement ............................................................................... 6-32 6-11 Instrument Panel Light Switch, Blackout Lights Switch, Rear Worklight Switch, Clutch Cutoff Switch, Driving Lights Switch, Adjustable Floodlight Switch, and Air Compressor Switch Replacement  ........................ 6-34 6-12 Electrical Load Center Replacement ................................................................... 6-36 6-13 Fuse Block Replacement  .................................................................................... 6-42 6-14 Fault Monitor and Dash Wiring Harness Maintenance ......................................... 6-46 6-15 Right Panel Wiring Harness Maintenance  ........................................................... 6-53 6-16 Left Panel Wiring Harness Maintenance  ............................................................. 6-63 6-17 Load Center Wiring Harness Maintenance  .......................................................... 6-72 6-18 Air Compressor Wiring Harness Maintenance ..................................................... 6-92 6-19 Turn Signal/Emergency Flashers Switch Replacement  ....................................... 6-97 6-20 Domelight Maintenance ....................................................................................... 6-99 6-21 Driving Lights Maintenance ................................................................................. 6-101 6-22 Front Turn Signal/Emergency Flashers and Front Blackout Light Maintenance .... 6-104 6-23 Blackout Driving Light Maintenance..................................................................... 6-107 6-24 Adjustable Floodlight Maintenance  ..................................................................... 6-109 6-25 Taillight and Rear Turn Signal/Emergency Flashers Maintenance ....................... 6-113 6-26 Rear Blackout Light Maintenance  ....................................................................... 6-116 6-27 Worklight Maintenance  ....................................................................................... 6-119 6-28 Engine Oil Pressure Switch Replacement  ........................................................... 6-122 6-29 Engine High Temperature Switch Replacement  .................................................. 6-123 6-30 Brake Light Switch Replacement  ........................................................................ 6-125 6-31 Secondary Steering Switch Replacement  ........................................................... 6-127 6-32 Transmission Oil Pressure Switch Replacement  ................................................. 6-129 6-33 Transmission Oil Temperature Sender Replacement  .......................................... 6-130 6-34 Air Cleaner Restriction Sensor Replacement  ...................................................... 6-132 6-35 Hydraulic Oil Filter Restriction Switch Replacement ............................................ 6-134 6-36 Low Brake Pressure Switch Replacement  ........................................................... 6-136 6-37 Reverse Warning Alarm Switch Replacement ..................................................... 6-138 6-38 Warning Buzzer Replacement  ............................................................................ 6-140 6-39 Reverse Warning Alarm and Bracket Replacement  ............................................ 6-142 6-40 Horn Replacement .............................................................................................. 6-144 6-1

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