Wiring your B1 connector

Pin Color Required/not required Connections What it is used for
B1        
B2        
B3 black/red not needed Diagnotistic block Used for diagnostic to the check connector for fuel pump power
B4 green required FC from ECU - Ground signal FC turns on fuel pump
B5 black/l-blue(small guage) recommended STA from ECU - 12 signal used to tell the ECU that you are starting the engine
B6 yellow Not needed FP from ECU - Ground signal 9v power to fuel pump
B7 black/red required 12v signal from EFI main to Circuit Opening Relay needed for power to the fuel pump.
B8 black/yellow not needed NSW to ECU to Cruise control Not sure what this does
B9 black/orange(small guage) to grey(on ecu side) required IGSW to ECU from ignition switch ignition signal to the ECU (this turns the ECU on)  REQUIRED!
B10 black/l-blue or black/white(large guage) not needed NSW to ECU from clutch or neutral switch Not sure what this does
B11 blue/red not needed A/C to ECU from A/C clutch used to tell the ECU that the A/C is on (increased engine load)
B12        
B13        
B14   black/orage(large guage) required 12v power to resistor and igniter Used to give power the injector resistor and igniter
B15 red/yellow not needed LP to ECU from headlights Used to tell the ECU that the headlights are on (increased engine load)