PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES NOT ILLUMINATE

TM 9-2320-366-20-1

e31. PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE

INDICATOR DOES NOT ILLUMINATE

INITIAL SETUP

Equipment Conditions

Tools and Special Tools

Engine shut down (TM 9-2320-366-10-1).

Tool Kit, Genl Mech (Item 46, Appendix C)

STE/ICR-R (Item 41, Appendix C)

Personnel Required

Multimeter, Digital (Item 22, Appendix C)

(2)

Wrench, Torque, 0-200 lb-in. (Item 59, Appendix C)

Wrench, Torque, 0-75 lb-in. (Item 90, Appendix B)

Materials/Parts

Wire, Elect., 50 ft (Item 71, Appendix D)

References

TM 9-4910-571-12&P

NOTE

Perform Electrical System Troubleshooting

e1. Circuit Breaker Does Not Operate on

circuit breaker CB77 prior to beginning this task.

START

KNOWN INFO

TEST OPTIONS

Visual Inspection

Parking brake operates.

Circuit breaker CB77 OK.

REASON FOR QUESTION

Does either emergency

POSSIBLE PROBLEMS

This question eliminates

brake indicator or parking

possible problems and

brake indicator illuminate?

Faulty front light cable

determines where

assembly.

troubleshooting continues.

Faulty low pressure transmitter.

Faulty emergency brake

indicator lamps.

Faulty dashboard cable

assembly.

Faulty parking brake indicator

lamps.

Faulty lighted indicator display.

YES

Go to step 7 of this fault.

2-454

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