Found this:
WIRE COLOR FUNCTION
1 RED Switched power (ex. ignition)
2 WHITE Linear Wideband Analog Output
3 GREEN RPM Input. 0-5V, 0-12V square wave, tach signal, primary (low voltage) side of ignition coil, crank, cam sensor
4 ORANGE Zeitronix Boost (MAP) Sensor Input
5 WHITE/BLUE Warning Output
6 YELLOW Zeitronix Boost Sensor +5V Power.
7 BLACK Power Ground
8 WHITE/BROWN USER 2 Input 0-5V. Programmable for Air Intake, Water, Oil Temperature. Fuel, Boost Pressure
9 PURPLE Programmable Simulated Narrowband O2 Output
10 GREY Throttle Position Sensor
11 BROWN Sensor Ground (Boost Sensor ground reference)
12 BLUE USER1 Input 0-5V
WHITE and BROWN wires are provided to connect the Zt-2 Wideband Controller to your favorite engine management system.

Also said that if you have the model you can go on their website and look up the info on their.