TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
Page 280 of 858
TM 9-2350-277-20-1 PARKING BRAKE INDICATOR MALFUNCTIONS—Continued 0052 00 Y 1. Install PARKING BRAKE indicator cover lens, bulb and gaskets. 2. Release parking brake (see your -10). 3. Manually depress hand brake indicator switch (1). 4. Observe parking brake indicator. 5. Release hand brake indicator switch (1). 6. Did indicator fail to light with switch depressed, or fail to go off with switch released? YES NO YN 1. Adjust parking brake indicator switch (WP 0331 00). 2. Verify no faults found. 2Y 1. Remove harness 12349881 circuit 370 plug (1) from parking brake light switch jack (2). 2. Check continuity between parking brake light switch jack (2) and ground with parking brake switch depressed. 3. Read multimeter. Is there continuity? YES NO 2YN 1. Replace parking brake switch (WP 0331 00). 2. Verify no faults found. 0052 00-2