The Fleece Performance 2003-2005 GM/Allison TapShifter is built to OEM-or-better standards for diesel truck owners who want a no-compromise upgrade. Engineered, manufactured, and supported by Fleece - the diesel performance specialists.

Features

• Adds plus/minus tap-shifting to 2001-2005 GM Allison transmissions
• Plug-and-play install with OEM connectors in under 30 minutes
• Limits up-shifts so you stay locked in the selected range
• Decreases gear hunting under load and disables overdrive on demand
• Works in gas or diesel 2003-2005 trucks with the Allison transmission
• Note: 01-02 models require a TCM re-flash for overdrive lockout

Specifications

• Fuel Type: Diesel
• Engine: Duramax
• Transmission: Allison / GM
• Country of Origin: US

Manufacturer Description

The Fleece Performance TapShifter allows you to shift your 2001-2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks.

Perfect for towing, drag racing, daily driving and everything in-between, the TapShifter installs in no time and provides factory-like operation, functionality and styling. The TapShifter can be used in the gas or diesel 2001-2005 trucks with an Allison Transmission.

Installation: The TapShifter installs using OEM high quality connectors for a completely plug and play installation in less than 30 minutes.

Operation: TapShifter Operation is very straight forward. To downshift depress the "-" button on the shifter. To upshift press the "+" button.

The TapShifter will allow you to select a range with the shift lever and then tap up and down without worry of tapping to a higher range than selected. This feature is great for sled pullers who do not want to shift to 4th gear on the track!

Features: Easy Plug and Play Installation Limits Up-Shifts Overdrive Disable Command Downshifts Decrease Gear Hunting

Note: 01-02 models will require TCM Re-Flash to enable overdrive lock-out and proper function.