Z31 O2 Sensor Splice?

[Titan]

I have an O2 sensor from a Z31, which I'll be using for my KAE-T setup. The reason being that it already threads into the exhaust elbow.

The thing is, I believe the Z31 sensor is heated, as it has three wires. Now I'm no expert, but I believe the red would be power, black to be ground, and white to be the power for heating?

If this is true, I was thinking of splicing the red wire into the stock 240 connector for the O2. Then ground the black wire to the chassis. As for the white wire, I wonder whether to just leave it alone, or splice it into a constant 12-volt source?

Here are some pics of the sensor:

http://members.rogers.com/tainted-crimson/o2sensor1.jpg

http://members.rogers.com/tainted-crimson/o2sensor2.jpg

Any opinions would be greatly appreciated,

Pete