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Wiring harnesses / Speed converters / Immobilizer removal box

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Rsx Swap K20z3 help

I have a 2002 rsx base model 5 speed, I got a k20z3 wanting to swap in it. The swap came with the stock harness and the stock ecu. I was wondering if I could use the a3 harness out of my car to swap in the z3 or do I need to use the z3 harness? I was wondering because the z3 hanrness won’t hook up with the body harness inside the car.. it’ll just hook up to the stock ecu. What do I need?

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1 Answer

Yes, you can use the K20A3 engine harness with our conversion wiring. The K20Z3 engine has different connectors on some parts of the engine, (knock sensor, ECT, oil pressure sensor, etc) so you will need to swap some of the connectors.

You should use the:

K20A3 engine harness (02-04 5spd only)

K20A3 charge harness

Hybrid Racing conversion harness

02-04 RSX ECU (with Hondata or Immobilizer bypass)

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