TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-1 WAIT INDICATOR LIGHT DOESN’T LIGHT—Continued 0019 00 2Y 1. Remove circuit 27 plug (1) from instrument panel circuit breaker (2). 2. Measure resistance between cable assembly 12349858 circuit 27 (1) and 27C (3) plug pins. 3. Does multimeter read 0 ohm? YES NO 2YN 1. Repair special purpose cable 12349858 circuit 27C/27 (WP 0382 00). 2. Verify no faults found. 3Y 1. Check circuit 406B lead (1). 2. Is circuit 406B lead grounded to instrument panel mount? YES NO 3YN 1. Ground circuit 406B lead to instrument panel mount and tighten screw. 2. Verify no faults found. 0019 00-2