Hey guys. I know some people have posted before but i don't see many responses so i will ask here. I have a zeitronix ECA that i am going to be installing. It seems pretty straight forward. Green to green. Brown and brown both grounded and orange and orange to a 12v source. Am i correct with that.

Now i want to hook it up for the flex fuel feature so i am trying to see where to hook up the blue/white wire. From what i have gathered, the best spot would be pin 73 which is the rear o2. Since i have eliminated it anyways, what would be the best route to take.

The car is an evo 9 GSR just to make things clear. Let me know what you guys think.

 

There is no freely available ROM that will run flex fuel on the evo 9 GSR. You will have to buy either a FiTronic and pay TSCompUSA to tune it, or a Haltech or an AEM Infinity plus a pro tune.