hi

I want to install NGK wideband but I dont know where E1 pin (ECT2 - Coolant temperature sensor #2) is located ? . and where should I ground the negative wire for data logging ? .
As for the primary wires (+ve and -ve) I use external (60 A) car battery .

in stock Euro S2000 calibration ECT2 is disabled !!! I dont know why

 

I can't answer your question, but I'm curious to know which wideband controller you will be using.

 

NGK AFX with bosch sensor , but I am going to upgrade to NTK sensor .



I think I should get service manual and Electrical Troubleshooting Manual .

 

I'm not familiar with that unit, but it will probably work. I agree that you should definitely get the service manual, but I doubt you'll get any use out of the Electrical Troubleshooting Manual. The ECU pinouts and wiring diagrams are already in the service manual.