Here is the sequence of steps for installation of COMPUSHIFT II.

Mount the Controller
Install the Transmission Harness
Install the Power & Engine Harness
Install or Connect a Throttle Position Sensor
Install the Switch-Shift Wiring Harness (Optional)
Install the A-B Mode Switch (Optional)
Install the Overdrive Cancel Switch (Optional)
Connect the Display
Checkout and Testing
Calibrate the Throttle Position Sensor