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TM 10-3930-669-20
1. ENGINE FAILS TO CRANK (CONT).
KNOWN INFO
TEST OPTIONS
Shunt to starter cable OK.
Starter ground cable OK.
Starter OK.
Relay R5 ground wire OK.
Wire 7 OK.
Wire 23 OK.
Relay R5 OK.
Engine switch OK.
Wire 33 OK.
Wire 32 OK.
Relay R3 OK.
Main power switch OK.
Fuse 1 OK.
Wire 4 OK.
Voltage test.
STE/ICE-R #89.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Batteries faulty.
Battery to shunt cable faulty.
Wire 2 faulty.
If 10 to 12 vdc are not
present,
battery(s) are faulty.
2-20
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