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 MASTER SWITCH ON INDICATOR DOES NOT LIGHT—Continued 0049 00 2Y 1. Turn MASTER SWITCH OFF. 2. Partially remove instrument panel (WP 0256 00). 3. Remove circuit 10 plug (1) and circuit 27 plug (2) from instrument panel circuit breaker jacks (3) and (4). 4. Measure resistance between circuit breaker jacks (3) and (4). 5. Does multimeter read less than infinity? YES NO 2YN 1. Replace instrument panel circuit breaker (WP 0267 00). 2. Verify no faults found. 3Y 1. Remove circuit 27D plug (1) from MASTER SWITCH ON indicator jack (2). 2. Measure resistance between circuit 27 plug (3) and circuit 27D plug (1). 3. Does multimeter read 0 ohms? YES NO 3YN 1. Repair power/instrument panel wiring harness (WP 0294 00). 2. Verify no faults found. 0049 00-2