I got my 4 wire o2 sensor, whats a good switched power source in the engine bay, any pics you guys might have will be help full, I want to add the 4 wire o2 before I go in for smog. Plus will help for my econ.

oh and if your wondering about the conversion: http://ludicrous2_0.tripod.com/how_to/oxy/

 

The black/yellow wire for the resister box is switched 12v.

FYI.

 

cool ill try it out and let you guys know.