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TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download

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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