s4 na and s4 turbo ll wiring harness
s4 na and s4 turbo ll wiring harness
im doing a na to turbo ll swap. can i just use my old na harness and add wires? does anybody know what wires to add and remove? is the ecu plug and play? or should i just go with the turbo ll harness. there both 87' thanks any imput would be appreicated
Joined: Oct 2003
Posts: 11,576
Likes: 27
From: Morristown, TN (east of Knoxville)
Your TPS and BAC wires will be in a totally different spot...and you'll have to stretch to get the secondary injectors to work. And finally, though not really that important, you won't have a knock sensor or control unit. But, it can be done.
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