I just bought a JDM TII engine and ECU for swap into a 1990 N/A car. What is the relay that is attached to the N374 ECU? There is 7 wires attached but cut and I need to know where they go. Anyone know?

 

Jspec ECU's have that, US spec do not

 

It's been asked before. It's not a relay, but nobody could figure out what is or what it's for. I have the same little box in my car but it's behind the passenger's kick panel instead of clipped to the ECU. I couldn't find anything in the US-spec wiring diagrams that match the pin-out and wire colours, so I'm still stumped...

 

Thanks, I couldn't find it in the wiring diagrams either that's why I asked you guys.

 

well this is kind of odd
its like the 2000miles switch in the ecu lol