TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 BLACKOUT STOPLIGHT DOES NOT WORKâContinued 0039 00 4Y 1. Remove service stoplight-taillight bulb (1). 2. Measure resistance of bulb (1) for continuity. 3. Does multimeter show 0 ohms? YES NO 4YN 1. Replace service stoplight-taillight bulb (WP 0278 00). 2. Verify no faults found. 5Y 1. Turn MASTER SWITCH OFF. 2. Disconnect circuit 23 (right) and circuit 22 (left) connectors (1) from service stoplight-taillights. 3. Turn MASTER SWITCH ON. 4. Measure voltage between circuit 23 or circuit 22 connectors (1) and ground. 5. Does multimeter show voltage on circuit 23 or circuit 22 connectors? YES NO 5YN 1. Repair wiring harness (WP 0294 00). 2. Verify no faults found. 0039 00-3