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 4Y 1. Disconnect circuit 74B lead (1) from starter solenoid (2) and starter relay (3). 2. Measure resistance of circuit 74B lead (1). 3. Does multimeter read 0 ohms? YES NO 4YN 1. Replace/repair circuit 74B lead (WP 0294 00). 2. Verify no faults found. 5Y 1. Connect circuit 74B lead to solenoid. 2. Disconnect circuit 74C lead (1) from starter relay (2). 3. Measure resistance between relay post (3) and relay post (4). 4. Does multimeter read infinity? YES NO 5YN 1. Replace starter relay (WP 0255 00). 2. Verify no faults found. 0013 00-4