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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).
2
KNOWN INFO
TEST OPTIONS
Battery OK.
Voltage test.
Is voltage present at circuit
Battery cable OK.
STE/ICE-R #89.
Run relay K1 OK.
breaker CB1 where wire 10
REASON FOR QUESTION
Wire 3 OK.
connects?
If voltage is not present, circuit
POSSIBLE PROBLEMS
breaker CB1 is faulty.
Circuit breaker CB1 faulty.
Wire 10 faulty.
Parking brake switch faulty.
Wire 75 faulty.
Parking brake solenoid faulty.
Ground faulty.
Replace circuit
NO
breaker CB1
(Para 8-11)
YES
2-600
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