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Interface module used when replacing the factory A8 8L90 transmission to a TH400 or Powerglide transmission. This device allows the factory engine start push button to function normally and keeps the TCM and ECM comunicating together for vehicle functionality.

Updated version, now includes Park, Drive and Reverse reporting function. Including backup camera and reverse lights.

8L90 transmission to TH400 or Powerglide swap interface with Reverse

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