Transmission Tuner

The fully configured ShiftPlus 2 electronic overdrive transmission controller is designed for use with GM 4L60E, 4L65E, 4L70E, 4L80E and 4L85E transmissions. No tuning is necessary, but the unit can be fully programmable based on load, speed and RPM. This controller provides complete control over most popular electronic overdrive transmissions without the use of a laptop, hand-held tuning device, or software. Easy to use dials that are located on the end of the unit allow you to adjust shift firmness, shift points, and torque converter lockup. A calibration is included for your transmission so all you have to do is drive it as is or adjust it to suit your needs. Complete transmission diagnostics and bright LEDs are built into the unit. Includes the Simple Shift control unit and wiring harness, specific to your application with clearly labeled connectors and easy to follow instructions.