TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(10) ONE OR BOTH HEADLIGHTS FAIL TO OPERATE.All other lights operate (continued).CONTINUED FROM FF. 4. Check for 24 ± 3 vdc5. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Replace dimmer switch (para 7-20). Verifyproblem is solved.G.1. Remove six screws and cover from driver’sinstrument panel.2. Disconnect harness 12330252 connectorfrom lighting switch.3. Place one lead of muitimeter in socket G ofharness 12330252 dimmer switch connectorand place other lead socket M of harness12330252 lighting switch connector and checkfor continuity.Is continuity indicated?Notify Direct Support maintenance.H.1. Connect harness 12330252 connector todimmer switch.2. Place red lead of multimeter in socket F ofharness 12330252 lighting switch connectorand ground black lead.3. Turn MASTER switch ON (refer to TM 9-2350-287-1O).4. Check for 24 ± 3 vdc.Continued on next page2-170
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