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Page Title:
PARKING BRAKE SWITCH DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
43. PARKING BRAKE SWITCH DOES NOT OPERATE (CONT).
4
KNOWN INFO
TEST OPTIONS
Battery OK.
Voltage test.
Is voltage present at parking
Battery cable OK.
STE/ICE-R #89.
Run relay K1 OK.
brake switch where wire 75
REASON FOR QUESTION
Wire 3 OK.
connects?
If voltage is not present, parking
Circuit breaker CB1 OK.
brake switch is faulty.
Wire 10 OK.
POSSIBLE PROBLEMS
Parking brake switch faulty.
Wire 75 faulty.
Parking brake solenoid faulty.
Ground faulty.
Replace parking
NO
brake switch
(Para 8-7).
YES
2-604
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