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Hello, I own a NZE-121 Corolla powered by 1nzfe engine. Recently I tried installing defi advance zd club sport gauge set in my car. The problem is, I need to hook up 4 signal wires (RPM, speed, AFR, fuel level) and I don't know where to hook them up. The product does not come with instructions to do so. My car has the 89661-12A30 ECU. Can anybody help me in this regard?

you will get most of the signal behind the instrument cluster. with a guage set like that you require all sensors that are compatible with it also. the OEM sensors may not read accurate

A tach adapter maybe needed for aftermarket tach signals