PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES NOT ILLUMINATE (cont)

TM 9-2320-366-20-1

e31. PARKING BRAKE INDICATOR AND/OR EMERGENCY BRAKE INDICATOR DOES

NOT ILLUMINATE (CONT)

KNOWN INFO

TEST OPTIONS

10.

Continuity Test or

Parking brake operates.

STE/ICE-R Test #91

Circuit breaker CB77 OK.

Is continuity present from

REASON FOR QUESTION

Parking brake indicator lamps

terminal lug TL201 to a

OK.

If continuity is not present,

known good ground?

Emergency brake indicator

wire 3024 is faulty. If

lamps OK.

continuity is present, low

Lighted indicator display OK.

pressure transmitter is faulty.

Dashboard cable assembly OK.

POSSIBLE PROBLEMS

Faulty front lights cable

assembly.

Faulty low pressure transmitter.

Repair wire 1616 from terminal lug

TL201 to terminal lug TL126 (para 2-45)

YES

or replace front lights cable

assembly (para 7-82).

Replace low pressure

transmitter (para 11-30).

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