TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).IHYDRAULIC SYSTEMS, ELECTRICAL (continued).(1) UPPER REAR DOOR DOES NOT GO UP ORDOWN (continued).CONTINUED FROM EE.3. Place red lead of multimeter in top switchconnector and ground black lead.4. Turn MASTER switch ON (refer to TM 9-2350-287-10).5. Place upper rear door switch in UP posi-tion.6. Check for 24 ± 3 vdc.7. Place red lead of multimeter in bottomswitch connector and ground black lead.8. Hold upper rear door switch in DOWNposition.9. Check for 24 ± 3 vdc.10. Turn MASTER switch OFF (refer to TM9-2350-287-10).Is voltage indicated at both circuits?IIReplace upper rear door switch (para 7-23).Verify problem is solved.F. 1. Reconnect wires AAF and AAG to upperrear door switch.2. Disconnect wire harness 12330252 con-nector from upper rear door directional con-trol valve on hydraulic control panel.3. Place red lead of multimeter on pin A andground black lead.4. Turn MASTER switch ON (refer to TM 9-2350-287-10).5. Hold upper rear door switch to the UPposition.Continued on next page2-284
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