TM 1-1520-238-T-7 10–256 10–101. AUXILIARY FUEL SYSTEM – WIRING INTERCONNECT DIAGRAM (cont) 10–101 1 F B AUXILIARY TANK PRESSURE VALVE J256 EXTERNAL FUEL TANK KIT EXTERNAL FUEL TANK P1 J1 A333 P/O RIGHT WING INBOARD PYLON P256 GND OUT GND IN J589 P589 P428 J428 A14 J587 P587 L5 1 4 J1 P141 5 (NOTE 1) P243 J1 28 VDC IN RTN L14 NOTES: 1. 28 VDC IN OPENS VALVE APPLYING PAS AIR TO OUTERMOST TANKS FOR FUEL TRANSFER. 2. CPG POSITION DISABLES EXT TK SWITCH S4. (PREVENTS TRANSFER OF REMAINING FUEL IN AUX TANKS). 3. INDICATOR LIGHTS WITH GROUND INPUT. 4. ELECTRICAL SYSTEM (TM 1-1520-238-T-6). 5. REFER TO PARAGRAPH 10 - 49. FUEL QUANTITY INDICATION / TRANSFER - WIRING INTERCONNECT DIAGRAM. 1 3 A B 52 51 P505 3J505 X Y LH WING DISCONNECT X Y H GS541 LH WING DISCONNECT W116 W117 W157 W158 POS 2 OPEN POS 1 CLOSED GND K AUX FUEL S / O VALVE L4 1 4 J1 P142 5 POS 2 OPEN POS 1 CLOSED GND W157 W119 K GS732 GS722 W158 P589 J589 J587 P587 B A A B A8 A7 B9 B10 N P R J L K P N SWITCH GND IN TB2 - 1 1 TB2 - 12 P439 J21 P429 J23 P/O ELECTRICAL POWER DISTRIBUTION BOX (NOTE 4) B20 J13 P419 J17 P478 J12 P425 B20 B19 A17 W119 A402 W117 W116 W117 W601 LH WING DISCONNECT AAG ABC GS572 F A GS576 RH WING DISCONNECT W119 W668 AUX FUEL S / O VALVE F(1) E(1) D(1) B(1) A(1) C(1) AFT CROSSOVER DISCONNECT M70-005-2B SHEET 2 OF 2