Hi people i hope some one could help me, i am changing my level 1 ecu in my RS500 to a level 8 i know that i have to change the throttle position sensor for a 4x4 one which i have, i have been told that i should swap round the wires because the T.P.S works in reverse what i need to know is which wires do i need to swap i.e outside one? middle one? which???..........any advice would be great thanks.......paul