Chevrolet Performance Supermatic Connect and Cruise Transmission Control System Instructions

The Supermatic Connect and Cruise Transmission Control System is a transmission control system that allows you to control your transmission with a variety of features including overdrive cancellation, brake light activated torque converter unlock, manual shift operation, and more.

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Chevrolet Performance Supermatic Connect and Cruise Transmission Control System Instructions | Manualzz

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Key Features

  • Overdrive cancellation
  • Brake light activated Torque Converter unlock
  • Manual shift operation
  • Dyno mode
  • A/B calibration switch
  • Preprogrammed Street and Performance calibrations

Frequently asked questions

What transmissions are compatible with the Supermatic Connect and Cruise Transmission Control System?

This system is compatible with Chevrolet Performance 4L65E (4L6X) and 4L70E transmissions, GM 4L60E/4L65E(4L6X) and 4L70E family transmissions from model year 1993 to 2008, Chevrolet Performance 4L85E (4L8X) transmissions, and GM 4L80E/4L85E (4L8X) family transmissions from model year 1991 to 2008.

What are the preprogrammed calibrations in the Supermatic Connect and Cruise Transmission Control System?

The system comes preprogrammed with a “Street” calibrations and a “Performance” Calibration. The Performance Calibration must be accessed using the A/B selector switch (B calibration) by grounding the A/B selector wire. Ungrounding this wire reverts you back to the “Street” calibration.

How do I make shift point and firmness changes?

You can make shift point and firmness changes with the help of the enclosed CD that provides detailed information on connector interfaces and instructions on how to make these changes.

What is the difference between the 4L6X and 4L8X transmissions?

The 4L6X and 4L70 transmissions have 3 connections while the 4L8X transmissions have 4 connections, including the TISS (Transmission Input Speed Sensor).

Do I need to cut or splice any wires when installing the Supermatic Connect and Cruise Transmission Control System?

No, the supplied wiring harness has been designed to interface with the 4L60E/4L65E/4L70E/4L80E/4L85E transmission without any cutting/splicing required.
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