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Discussion Starter · #1 ·
the car I aquired is a 91 NA to 3rd gen swap supposedly using 3rd gen mr2 engine harness.

I want to confirm if the wiring is correct on the body harness and engine/ ecu wiring harness.

what is involved in a NA to 3rd gen swap? is it just the engine harness or body harness that is also modified?

Can anyone provide me with the wires to look for to ensure its been done correctly? previously there were alot of tapped and cut wires that leads me to be concerned that the wiring is shotty and perhaps a reason why the car was not running

thank you!
 

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One surprise you will have is that the 3rd gen does not have the AB (airbag) wire going to the diagnostic port in the engine bay. You need that port to "play the drums" when turning off the airbag light. I had to install a pigtail at the kickpanel.

 
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