TM 9-2350-261-20-1 1. Install front main harness plug on BO DRIVElight.2. Remove instrument panel for access. See task:remove instrument panel mounts and ground lead(page 11-2).3. Remove front main harness circuit 19 (1) and 520(2) from IR/BO selector jacks (3) and (4).4. Measure resistance between IR/BO selector jacks(3) and (4) with selector on BO.5. Does multimeter read O ohms?YES1. Remove front main harness plug (1) from lightingcontrol switch jack (2).2. Turn lighting control switch to BO DRIVE.3. Measure resistance between lighting control switchjack (2) pins D (3) and F (4).4. Does multimeter read 0 ohms?1. Install front main harnessplug on BO DRIVE light.2. Replace IR/BO selectorswitch (page 11-7).3. Verify no faults found.1. Install front main harnessplugs on IR/UBO selectorswitch jacks.2. Replace lighting controlswitch (page 11-9).3. Verify no faults found.3-76
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