TM 9-2350-261-20-11. Remove malfunctioning bulb from instrument panelillumination 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 lightingcontrol 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 harnesslighting control switch plug (1) pin B (7) andfailing circuit 40 light plug (3 or 4).5. Does multimeter read O ohms?1. Install front main harness plug on lighting controlswitch jack.2. Replace instrument panel light assembly(page 11-5).3. Verify no faults found.1. Install bulbs.2. Repair front main harnesscircuit 40 (page 14-3).3. Verify no faults found.3-1091. Replace light bulb as 1required (page 11-5).2. Verify no faults found.
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