TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 MASTER SWITCH ON INDICATOR DOES NOT LIGHT — Continued 0046 00 2Y 1. Turn MASTER SWITCH to OFF (see your -10). 2. Remove instrument panel for access (WP 0238 00). 3. Remove circuit 10 plug (1) and cable assembly 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 0 ohms? 2YN 1. Replace instrument panel circuit breaker (WP 0239 00). 2. Verify no faults found. 3Y 1. Remove circuit 459 (1) master switch on indicator jack (2). 2. Measure resistance between harness circuit 27 plug (3) and circuit 459 (1). 3. Does multimeter read 0 ohms? 3YN 1. Replace instrument panel cable assembly (WP 0314 00). 2. Verify no faults found. 4Y 1. Replace indicator light assembly (WP 0240 00). 2. Verify no faults found. 0046 00-2