FLEECE FPE-TAPSHIFTER35 2003-2005 GM/ALLISON TAPSHIFTER

Take control of your 2003–2005 GM/Allison 1000 with the FLEECE FPE-TAPSHIFTER35. Get true factory-style +/- gear selection right on the column—perfect for towing, engine braking on grades, daily driving, or weekend pulls. Plug-and-play harnessing with OE-quality connectors keeps the install clean and reversible while delivering confident, precise shifts. Fleece TapShifter 2003, Fleece TapShifter 2004, Fleece TapShifter 2005, Allison 1000 5-speed tap shifter, LB7 LLY Duramax gear control, plug and play tap shifter, CPP Diesel

Why choose the Fleece TapShifter

• Factory-like operation with intuitive +/- buttons on the column
• Plug-and-play install using OEM-quality connectors
• Greater control for towing, engine braking, and performance driving
• Engineered by Fleece Performance Engineering for durability and reliability

Fitment

Vehicles: 2003–2005 GM Silverado/Sierra 2500/3500 HD with 6.6L Duramax (LB7/LLY) using Allison 1000 (5-speed).
Transmission: Allison 1000 (5-speed)
Fuel types: Gas or Diesel applications where equipped with 5-speed Allison (2003–2005)

Cross-Reference / Related Fleece Items (CPP Diesel)

• FLEECE FPE-TAPSHIFTER12 (2001–2002 GM/Allison)
• FLEECE FPE-TAPSHIFTER-KDTK (Kodiak/TopKick)
• FLEECE FPE-HAR-GM-NSBU-0104 (NSBU Pigtails 2001–2004)
• FLEECE FPE-HAR-GM-NSBU-0405 (NSBU Pigtail 2004.5–2005)
• FLEECE FPE-HAR-GM-AT-20-PT (GM Automatic Transmission 20-Pin Pigtail)

It provides steering-column +/- gear control so you can command upshifts and downshifts like later factory trucks—ideal for towing and hill control.

Yes. The harness uses OEM-quality connectors for a clean, reversible install with basic hand tools.

Use FPE-TAPSHIFTER12 for 2001–2002 pickup applications, or FPE-TAPSHIFTER-KDTK for Kodiak/TopKick medium-duty.

No tuning is required for basic operation. It adds manual gear-selection control; the underlying TCM strategies remain unchanged.

Specifications for FLEECE FPE-TAPSHIFTER35