I searched high and low on here,NASIOC and google and all the info is on full 5 speed swaps, I have and will remain a 4eat in my 01 2.5 rs and have the option to get a Crawford flashed ecu said to be for a 5speed. I know in the 5 speed swap you just have to add a ground to make it compatible with the auto harness but what about doing the opposite, adding the flashed 5 speed ecu and keeping 4eat, is it the opposite in ungrounding the wire or plug n play? Sorry for the noob post and appreciate any help.
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