TM 9-2350-247-20-1
INSTRUMENT PANEL ILLUMINATION LIGHTS MALFUNCTION—Continued
0045 00
4Y
1. Replace light switch (WP 0262 00).
2. Verify no faults found.
BY
1. Remove malfunctioning bulb from instrument panel illumination
light indicator assembly.
2. Measure resistance between bulb center contact (1) and bulb base
(2) for continuity.
3. Does multimeter indicate any continuity?
YES
NO
BYN
1. Replace panel light bulb as required
(WP 0264 00).
2. Verify no faults found.
2BY
1. Partially remove instrument panel (WP 0325 00).
2. Remove main harness plug (1) from light switch jack (2).
3. Remove main harness circuit 40 plug (3) from failing instrument
panel light (4).
4. Measure resistance between main harness light switch plug (1)
pin B (5) and failing circuit 40 light plug (3).
5. 5 Does multimeter read 0 ohms?
YES
NO
2BYN
1. Install bulbs.
2. Repair main harness circuit 40
(WP 0294 00).
3. Verify no faults found.
0045 00-3
