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 PARKING BRAKE INDICATOR MALFUNCTIONS—Continued 0052 00 4Y 1. Remove jumper wire from harness 12349881 circuit 370. 2. Install harness 12349881 on brake light switch. 3. Remove cable assembly 12349858 circuit 27M plug (1) from parking brake indicator jack (2). 4. Remove cable assembly 12349858 circuit 27 plug (3) from instrument panel circuit breaker jack (4). 5. Check continuity between cable assembly 12349858 circuit 27 plug (3) and circuit 27M plug (1). Use multimeter. 6. Check continuity between cable assembly 12349858 circuit 27 (3) and circuit 370 plugs. 7. Read multimeter. Is there continuity both times? YES NO 4YN 1. Replace cable assembly 12349858 (WP 0290 00). 2. Verify no faults found. 5Y 1. Replace indicator light assembly 8729063 (WP 0286 00). 2. Verify no faults found. 0052 00-4