TM 9-2350-247-20-1
BLACKOUT DRIVE LIGHT DOES NOT WORKContinued
0035 00
3Y
1. Install main harness plug on BO DRIVE light.
2. Partially remove instrument panel (WP 0256 00).
3. Remove main harness circuit 19 (1) and 520 (2) from IR/BO
select switch jacks (3) and (4).
4. Measure resistance between IR/BO select switch jacks (3) and (4)
with select switch on BO.
5. Does multimeter read 0 ohms?
YES
NO
3YN
1. Install main harness plug on BO
DRIVE light.
2. Replace infrared-blackout select
switch (WP 0263 00).
3. Verify no faults found.
4Y
1. Remove main harness plug (1) from light switch jack (2).
2. Turn light switch to BO DRIVE.
3. Measure resistance between light switch jack (2) pins D (3) and
F (4).
4. Does multimeter read 0 ohms?
YES
NO
4YN
1. Install main harness plugs on IR/BO
select switch jacks.
2. Replace light switch (WP 0262 00).
3. Verify no faults found.
0035 00-2