SERVICE AND/OR BLACK OUT STOP LIGHTS MALFUNCTIONContinued

SERVICE AND/OR BLACK OUT STOP LIGHTS MALFUNCTION

SERVICE AND/OR BLACK OUT STOP LIGHTS MALFUNCTIONContinued - TM-9-2350-277-20-1_199

TM-9-2350-277-20-1 Hull Powerpack Drive Controls Tracks Suspension and Associated Components Carrier Ammunition Tracked Manual
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TM 9-2350-277-20-1 SERVICE AND/OR BLACK OUT STOP LIGHTS MALFUNCTION—Continued 0033 00 3Y 1. Turn MASTER SWITCH to OFF. 2. Remove harness 12349881 circuit 75A plug (1) from switch jack (2). 3. Remove harness 12349881 circuit 75B plug (3) from switch jack (4). 4. Measure resistance between switch jacks (2) and (4) with switch depressed and with switch released. 5. Does multimeter read infinity with switch depressed and 0 ohm with switch released? YES NO 3YN 1. Replace brake light switch (WP 0332 00). 2. Verify no faults found. 4Y 1. Install harness 12349881 circuit leads 75A and 75B on stop sensitive switch. 2. Remove instrument panel for access (WP 0295 00). 3. Remove harness 12349881 plug (1) from lighting control switch jack (2). 4. Measure resistance between harness 12349881 plug (1) pins K (3) and A (4) with brake pedal depressed. 5. Does multimeter read less than 0 ohm? YES NO 4YN 1. Faulty harness 12349881 circuit 75A and/or 75B. Beyond unit maintenance repair. 2. Notify supervisor. 0033 00-2

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