I AM CHANGING MY 1985 MAZDA RX7 FROM STANDARD SHIFT TO AUTOMATIC. DO I HAVE TO CHANGE THE ECU AND HARNESS?

  • Tiny
  • willie bailey
  • 1985 Mazda RX7
  • 4 CYL
  • manual

When I install the transmission will I have to change the ECU and the ECU wiring harness? Can I use the standard shift ecu wiring harness? Are there any other sensors or electronic parts that are different on an automatic car?

Friday, September 9th, 2011 AT 4:30 PM

1 Answer

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,287 posts

We only recommend direct fit parts. As far as this is concerned, everything that is related to the transmission will need changed to comply with the different trans.

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Friday, September 9th, 2011 AT 6:09 PM

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