Found this on AUS12 site that GerryB posted about were to wire in what for novices like me
---The white plug by the ECU has the wires you need for these items ONLY!!
* orange wire = start signal, goes to start wire at your s12 ignition plug
* black wire = goes to earth
* blue/black stripe wire = goes to s12 temp guage = temp signal.
These are the only ones you use from the white plug!!--
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---The other wires are from the plug by the Maf connector in RED --
Black / Pink stripe
Fuel Pump Relay
Red / Black stripe
ECU Relay
Red
ECU Backup Power
Black / Red & Blue / Red (Note: connect 2 wires to 1)
Main Ignition Power
Black / White stripe
ECU Power
Brown (to O2 sensor)
O2 Sensor Power
Any 12v switched source
Yellow / Red stripe (or use the Diode to each Coil pack as suggested and take to the Silvia tacho)
Tachometer signal
