TM 1-1520-238-T-7 10–52 10–7. SYSTEM DESCRIPTION (cont) 10–7 DC  BUS  2 FUEL  TRANS CB56 EXT    TK SWITCH 1 2 3 4 5 6 DC  EMER  BUS EXT  EMP PILOT CAUTION  /  WARNING PANEL CLOSE OPEN CLOSE OPEN OPEN AUX  TANK  AIR SHUTOFF  VALVE LEFT  AUX  TANK FUEL SHUTOFF  VALVE RIGHT  AUX  TANK FUEL SHUTOFF  VALVE LEFT  INBD AUX  TANK FUEL  EMPTY SWITCHES RIGHT  INBD AUX  TANK M70-218 Figure  10–27. Auxiliary Tanks Electrical Diagram 10–8. MULTIPLEX READ CODES 10–8 Not applicable. SECTION  III. TROUBLESHOOTING PROCEDURES 10–9. ELECTRICAL COMPONENT LOCATION AND CONFIGURATION (ECLC) INDEX 10–9 Use the information in Table 10–2 to locate the electrical components and their connectors to perform the troubleshooting tasks in this chapter. Table 10–2 includes locator illustrations which supplement the ECLC listing. The listing entry in the grid area column tells where to locate the component in the illustrations. Table   10–2. Electrical Component Location and Configuration (ECLC) Index Listing FROM COLUMN TO COLUMN Connector Ref Des Component/ Harness Connector Ref Des Component/ Harness Grid Area Access P1 A322 J1039 W119 7A CPG STATION P1 W605/A76 J1 A402 32B R200 PANEL P1066 W118 J1 S65 44C PLT STATION P1067 W268 J1 S64 70E L325 DOOR P1085 W118 J1 A146 62D B200 DOOR