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Page Title:
PARKING BRAKE INDICATOR LIGHT DOES NOT OPERATE. |
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 TM 10-3930-673-20-1
2
20. PARKING BRAKE INDICATOR LIGHT DOES NOT OPERATE.
INITIAL SETUP
Personnel Required
Tools and Special Tools
Two
Tool Kit, General Mechanic's: Automotive
(Item 18, Appendix F)
References
STE/ICE-R (Item 17, Appendix F)
TM 10-3930-673-10
Multimeter, Digital (Item 9, Appendix F)
TM 9-4910-571-12&P
Equipment Condition
Engine shut down (TM 10-3930-673-10)
Parking brake on (TM 10-3930-673-10)
Wheels chocked (TM 10-3930-673-10)
START
WARNING
1
KNOWN INFO
TEST OPTIONS
Read WARNING on
Parking brake ON.
Voltage test.
following page.
Other gage lights work.
STE/ICE-R #89.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Is 12 vdc present at parking
Bulb faulty.
This question eliminates possible
brake indicator light socket?
Parking brake switch faulty.
problems and determines where
Wire 23 faulty.
troubleshooting continues.
Wire 2 faulty.
Resistor faulty.
Wire 10 faulty.
Go to Step 7 of this
NO
fault.
YES
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