tps voltage wire?

Green wire is signal out to computer. Black/white wire is signal ground from computer. Be sure to use both wires if you can. Also be careful not to connect the black/white wire to 12 volts or you will damage the computer and wiring.
 
okay so what do i connect my white wire from the programmable tps switch to then? i dont wanna screw anything up, green wire then?
Do it according to the directions and use the green wire.

The kit manufacturer must have decided to use chassis ground as a reference ground for the TPS. This isn't as accurate, but they may not need the same degree of precision as the computer does.
 
Did the install this last weekend..green wire as stated and good body ground with the control box black lead. If you have any questions or issues let me know...as I said I JUST finished the install sunday morning on my little girl.