TM 9-2350-247-20-1
ENGINE DOES NOT CRANK (M548A3)Continued
0011 00
5Y
1. Connect circuit 74B lead (1).
2. Disconnect circuit 74C lead (2) from starter relay (3).
3. Measure resistances between relay post (4) and relay post (5).
4. Does multimeter read infinity?
YES
NO
5YN
1. Replace starter relay (WP 0255 00).
2. Verify no faults found.
6Y
1. Connect circuit 74C lead (1).
2. Disconnect circuit 74A lead (2) from starter relay (3).
3. Measure resistance through starter relay (3) between relay post
(4) and relay post(5).
4. Does multimeter read 28 ohms?
YES
NO
6YN
1. Replace starter relay (WP 0255 00).
2. Verify no faults found.
0011 00-4