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 CRANKS SLOWLY (M548A3)—Continued 0013 00 6Y 1. Connect circuit 74C lead to relay. 2. Disconnect circuit 74A lead (1) from starter relay (2). 3. Measure resistance between relay post (3) and starter ground (4). 4. Does multimeter read 19.4 to 29 ohms? YES NO 6YN 1. Replace starter relay (WP 0255 00). 2. Verify no faults found. 7Y 1. Connect circuit 74A lead to relay. 2. Remove wiring harness circuit 6 plug 12313480 (1) from circuit 6 jack 11588765 (2) at carrier bulkhead. 3. Inspect plug and jack for corrosion or damage. 4. Are parts in good condition? YES NO 7YN 1. Repair wiring harness 12313480 or electrical lead 11588765 (WP 0294 00). 2. Verify no faults found. 0013 00-5