ELECTRICAL SYSTEM TROUBLESHOOTING - TM-9-2320-366-20-10279

TM 9-2320-366-20-1

2-16. ELECTRICAL SYSTEM TROUBLESHOOTING

This paragraph covers Electrical System Troubleshooting. The Electrical System Fault Index, Table 2-7, lists faults for

the electrical system of the vehicle.

Table 2-7. Electrical System Fault Index

Fault No. Description

Page

e1.

Circuit Breaker Does Not Operate ................................................................................................................... 2-158

e2.

Engine Does Not Crank ................................................................................................................................... 2-164

e3.

12 VDC and 24 VDC Circuits Do Not Operate ................................................................................................ 2-264

e4.

24 VDC Circuits Do Not Operate ..................................................................................................................... 2-268

e5.

Deleted ............................................................................................................................................................. 2-286

e6.

Engine Cranks But Does Not Start .................................................................................................................. 2-310

e7.

FUEL Gage Does Not Operate or Is Inaccurate ............................................................................................. 2-318

e8.

WATER TEMP Gage Does Not Operate or Is Inaccurate .............................................................................. 2-324

e9.

REAR BRAKE AIR Pressure Gage Does Not Operate or Is Inaccurate ........................................................ 2-328

e10.

FRONT BRAKE AIR Pressure Gage Does Not Operate or Is Inaccurate...................................................... 2-332

e11.

Engine Oil Pressure Gage Does Not Operate or Is Inaccurate ...................................................................... 2-336

e12.

Speedometer Does Not Operate or Is Inaccurate........................................................................................... 2-342

e13.

VOLTS Gage Does Not Operate or Is Inaccurate........................................................................................... 2-356

e14.

Tachometer Does Not Operate or Is Inaccurate ............................................................................................. 2-358

e15.

Audible Alarm Does Not Operate .................................................................................................................... 2-368

e16.

Troop Transport Audible Alarm Does Not Operate ......................................................................................... 2-372

e16A.

Master Power Switch Does Not Shut Down Engine..................................................................................... 2-380.4

e16B.

Lamp Test Switch Does Not Illuminate....................................................................................................... 2-380.10

e17.

Radiaotr Fan Off Switch Does Not Illuminate .................................................................................................. 2-382

e17A.

Ether Start Switch Does Not Illuminate............................................................................................................ 2-386

e17B.

Hazard Lights Switch Does Not Illuminate.................................................................................................... 2-386.4

e17C.

Amber Warning Light Switch Does Not Illuminate ....................................................................................... 2-386.8

e17D.

Master Power Switch Does Not Illuminate ................................................................................................. 2-386.12

e18.

REAR BRAKE AIR Gage Does Not Illuminate ................................................................................................ 2-388

e18A.

FUEL Gage Does Not Illumiante .................................................................................................................. 2-390.2

e18B.

FRONT BRAKE AIR Gage Does Not Illuminate .......................................................................................... 2-390.6

e18C.

Speedometer Does Not Illuminate.............................................................................................................. 2-390.10

e18D.

VOLTS Gage Does Not Illuminate.............................................................................................................. 2-390.14

e18E.

WATER TEMP Gage Does Not Illuminate ................................................................................................. 2-390.18

e19.

OIL PRESS Gage Does Not Illuminate ........................................................................................................... 2-392

e20.

Auxiliary Instrument Panel, Personnel Heater, and Instrument Panel Do Not Illuminate............................... 2-396

e21.

Tachometer Does Not Illuminate ..................................................................................................................... 2-400

e22.

Auxiliary Panel Switch Does Not Illuminate ..................................................................................................... 2-404

e23.

Auxiliary Panel Does Not Illuminate ................................................................................................................. 2-408

e24.

High Engine Temperature Indicator Does Not Operate .................................................................................. 2-412

e24A.

High Engine Temperature Indicator Illuminates ........................................................................................... 2-418.2

e25.

Central Tire Inflation System (CTIS) Overspeed Indicator Does Not Operate ............................................... 2-420

e26.

Chemical Detector Indicator Does Not Operate .............................................................................................. 2-434

e27.

Left Turn Signal Indicator Does Not Operate .................................................................................................. 2-438

e28.

Right Turn Signal Indicator Does Not Operate ................................................................................................ 2-442

e29.

Turn Signal Indicators and High Beams On Indicator Do Not Operate .......................................................... 2-448

e30.

High Beams On Indicator Does Not Operate .................................................................................................. 2-450

e31.

Parking Brake Indicator and/or Emergency Brake Indicator Does Not Illuminate .......................................... 2-454

Change 2

2-155