So I have a '90 TT that the previous owner installed a '95 upper plenum & EFI. There is a connector coming out of the same part of the EFI that the MAS connector does and the car runs fine without it connected to anything, but I'm just curious if anyone knows what this connector is for?
Follow Ups
What does this wire harness supposed to connect to? - NismoDHS09:23:13 07/17/13