TM 9-2350-261-20-1
1. Install front main harness plug on BO DRIVE
light.
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?
YES
1. Remove front main harness plug (1) from lighting
control switch jack (2).
2. Turn lighting control switch to BO DRIVE.
3. Measure resistance between lighting control switch
jack (2) pins D (3) and F (4).
4. Does multimeter read 0 ohms?
1. Install front main harness
plug on BO DRIVE light.
2. Replace IR/BO selector
switch (page 11-7).
3. Verify no faults found.
1. Install front main harness
plugs on IR/UBO selector
switch jacks.
2. Replace lighting control
switch (page 11-9).
3. Verify no faults found.
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