TM 9-2350-277-20-1DOME LIGHT MALFUNCTION (M577A3 ONLY)—Continued 0040 002Y1. Remove circuit 38E (1) and 38A (2) plugs form rear dome lightswitch jacks (3)(4).2. Install a jumper wire between circuit 38E (1) and 38A (2) plugs.3. Operate front dome light switch.4. Do blackout dome lights malfunction?YESNOGO TO DY (PAGE 0040 00-5)3Y1. Remove jumper from circuit 38E and 38A plugs.2. Measure voltage at circuit 38E plug.3. Does multimeter read 17 volts or more?YESNO3YN1. Turn MASTER SWITCH to OFF.2. Repair rear main harness circuit 38E(WP 0382 00).3. Verify no faults found.0040 00-2
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