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Page Title:
PARKING BRAKE INDICATOR LIGHT DOES NOT OPERATE. |
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 TM 10-3930-673-20-1
20. PARKING BRAKE INDICATOR LIGHT DOES NOT OPERATE (CONT).
2
KNOWN INFO
TEST OPTIONS
Parking brake ON.
Continuity check.
Is continuity present across
Other gage lights work.
STE/ICE-R #91.
parking brake lens/bulb?
POSSIBLE PROBLEMS
REASON FOR QUESTION
Bulb faulty.
If continuity is not present, replace
Parking brake switch faulty.
bulb.
Wire 23 faulty.
Wire 2 faulty.
Replace faulty bulb
NO
(Para 8-9).
YES
3
KNOWN INFO
TEST OPTIONS
Parking brake ON.
Continuity check.
Is continuity present between
12 vdc present at socket.
STE/ICE-R #91.
parking brake indicator
Bulb OK.
REASON FOR QUESTION
outside conductor and known
POSSIBLE PROBLEMS
This question determines where
good ground while parking
Parking brake switch faulty.
troubleshooting continues.
brake switch is on?
Wire 23 faulty.
Wire 2 faulty.
Go to Step 4 of this
NO
fault.
YES
Go to Step 1 of this
fault.
2-372
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