TM 9-2350-261-20-11.2.3.4.Remove rear main harness circuit 22 plug (1) fromjack (2) on malfunctioning left tail light, or circuit23 plug from jack on malfunctioning right taillight.Turn main light switch lever on lighting controlswitch to STOP LIGHT or to BO MARKER.Measure voltage between circuit 22 (Ieft) plug (1)or circuit 23 (right) plug and ground with bothsteering levers locked in parking brake position.Does multimeter read less than 17 volts?1.2.3.Remove rear main harness circuit 22 plug (left) (1)or circuit 23 plug (right) (2) from front main wiringharness circuit 22 jack (3) or circuit 23 jack (4).Measure voltage between rear main harness circuit22 jack (2) or circuit 23 jack (3) and ground.Does multimeter read less than 17 volts?GO TO NEXT PAGENO1. Install rear main harnessjack on tail light.2. Replace service stop or BOstop light bulb(page 12-3).3. Verify no faults found.NO1. Repair rear main harnesscircuit 22 or circuit 23I(page 14-3).2. Verify no faults found.3-91
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