Installing the COMPUSHIFT Mini is a straightforward operation if you are familiar with working on cars.  A simplified breakdown is as follows:

  1. Mount the controller in the vehicle.
  2. Install the wiring loom in the vehicle, routing the loom though a hole in the firewall.
  3. Install the sensors and switches on the transmission.  
  4. Connect the wiring loom to the transmission and secure it.
  5. Install the throttle position sensor (Chrysler only).
  6. Calibrate the throttle position sensor.
  7. Drive the vehicle.

You can get started with Installation Inside the Vehicle.