TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).h. LIGHTS (continued).(8) PARKING BRAKE INDICATOR LIGHT FAILS TOOPERATE. Parking brake is set (continued).CONTINUED FROM AB.1. Disconnect wire 509E from parking brakelight.2. Place red lead of multimeter on wire 509Econnector pin and ground black lead.3. Turn MASTER switch ON (refer to TM 9-2350-287-10).4. Check for 24 ± 3 vdc.5. Turn off MASTER switch (refer to TM 9-2350-287-10).Is voltage indicated?Replace parking brake light assembly(para 7-9). Verify problem is solved.C. 1. Reconnect wire 509E to parking brakelight.2. Disconnect wire harness 12260287 wires509E from parking brake warning switch.3. Place red lead of multimeter on wire 509E(connector wire 509E from circuit breakerpanel) and ground black lead.4. Turn MASTER switch ON (refer to TM 9-2350-287-1O).5. Check for 24 ± 3 vdc.6. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Is voltage indicated?Replace parking brake warning switchassembly (para 7-20). Verify problem ISContinued on next page2-161solved.
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