INSTRUMENT PANEL ILLUMINATION LIGHTS MALFUNCTIONContinued

INSTRUMENT PANEL ILLUMINATION LIGHTS MALFUNCTION

INSTRUMENT PANEL ILLUMINATION LIGHTS MALFUNCTIONContinued - TM-9-2350-247-20-1_265

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 INSTRUMENT PANEL ILLUMINATION LIGHTS MALFUNCTION—Continued 0045 00 2Y 1. Remove malfunctioning bulbs from instrument panel illumination light indicator assemblies. 2. Measure resistance between bulb center contact (1) and bulb base (2) of each bulb for continuity. 3. Does multimeter indicate any continuity? YES NO 2YN 1. Replace panel light bulbs as required (WP 0264 00). 2. Verify no faults found. 3Y 1. Turn MASTER SWITCH OFF. 2. Install instrument panel light bulbs. 3. Install instrument panel illumination light cover lenses and gaskets. 4. Partially remove instrument panel (WP 0256 00). 5. Remove main harness plug (1) from light switch jack (2). 6. Remove main harness circuit 40 plug (3) from either illumination light jack (4). 7. Measure resistance between main harness light switch plug (1) pin B (5) and illumination light plug circuit 40 (3). 8. Does multimeter read 0 ohms? YES NO 3YN 1. Repair main harness circuit 40 (WP 0294 00). 2. Verify no faults found. 0045 00-2

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