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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).
5
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 solenoid where wire 75
REASON FOR QUESTION
Wire 3 OK.
connects?
If voltage is not present, wire 75 is
Circuit breaker CB1 OK.
faulty.
Wire 10 OK.
Parking brake switch OK.
POSSIBLE PROBLEMS
Wire 75 faulty.
Parking brake solenoid faulty.
Ground faulty.
Repair wire 75
NO
(Para 8-48).
YES
2-606
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