TM 10-3930-669-20 1.  ENGINE FAILS TO CRANK (CONT). KNOWN INFO TEST OPTIONS Batteries OK. Battery to shunt cable OK. Wire 2 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. Shunt to starter cable OK. Continuity test. STE/ICE-R #91. POSSIBLE PROBLEMS REASON FOR QUESTION Starter ground cable faulty. Starter faulty. If continuity is not present, starter ground cable is faulty. If starter ground cable is OK, starter is faulty. 2-18

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