TM 9-2350-261-20-1
1. Remove malfunctioning bulb from instrument panel
illumination light indicator assembly.
2. Measure resistance between bulb center contact (1)
and bulb base (2).
3. Does multimeter read 0-5 ohms?
1. Remove instrument panel for access (page 11-2).
2. Remove front main harness plug (1) from lighting
control switch jack (2).
3. Remove front main harness circuit 40 plug (3)
or (4) from failing instrument panel light (5 or 6).
4. Measure resistance between front main harness
lighting control switch plug (1) pin B (7) and
failing circuit 40 light plug (3 or 4).
5. Does multimeter read O ohms?
1. Install front main harness plug on lighting control
switch jack.
2. Replace instrument panel light assembly
(page 11-5).
3. Verify no faults found.
1. Install bulbs.
2. Repair front main harness
circuit 40 (page 14-3).
3. Verify no faults found.
3-109
1. Replace light bulb as 1
required (page 11-5).
2. Verify no faults found.
