TM 9--2350--292--20--10120 00--3BLACKOUT MARKER LIGHT FAILS TO OPERATE -- CONTINUED0120 00CONTINUED FROM STEP ACONTINUED ON NEXT PAGEF1. Remove lamp from faulty blackout marker (WP0273 00).2. Turn MASTER switch ON(TM 9--2350--292--10).3. Set main light switch to BO MARKER(TM 9--2350--292--10).4. Place red multimeter lead on lamp holdersocket contact and black lead to ground.Check for voltage.5. Turn MASTER switch OFF(TM 9--2350--292--10).Is 24 V dc present?noyesGo to Step H.G1. Remove spare headlight sealed--beam(WP 0275 00)2. Place one multimeter lead on blackoutmarker lamp holder socket ground lead andthe other lead on ground lead mountingscrew. Check for continuity.Is continuity present?Replace faultyblackout marker lamp(WP 0273 00). Verifyfault is corrected.Replace blackoutmarker lamp socketholder (WP 0273 00).Verify fault is corrected.yes no
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