✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Seasonal Pick Tci Automotive 30294 This Tci Tcu Harness Is For 2009+ 4l65/70e Transmissions. Premium Build [2t9VkIJo]

$46.99 $150.99 -69%

EZ-TCU Wiring Harness for '09+ 4L65/70EIntroducing the TCI Automotive 30294 EZ-TCU Wiring Harness, designed specifically for 2009 and newer 4L65/70E transmissions. This advanced transmission controller is a game-changer for enthusiasts and profession

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Seasonal Pick Tci Automotive 30294 This Tci Tcu Harness Is For 2009+ 4l65/70e Transmissions. Premium Build [2t9VkIJo]

EZ-TCU Wiring Harness for '09+ 4L65/70E

Introducing the TCI Automotive 30294 EZ-TCU Wiring Harness, designed specifically for 2009 and newer 4L65/70E transmissions. This advanced transmission controller is a game-changer for enthusiasts and professionals alike. The EZ-TCU offers unparalleled control over shift points, shift firmness, and shift speed, providing maximum electronic control without the need for complex software or tuning. With its intuitive programming interface, even those without technical expertise can easily customize their calibrations to suit their driving needs.
  • Easy to Install: Follow the simple installation instructions included with the harness to get your system up and running in no time.
  • Customizable Programming: Tailor your transmission settings based on load, speed, and RPM with the EZ-TCU's user-friendly programming interface.

Key Features and Specifications

The TCI Automotive 30294 EZ-TCU Wiring Harness is built to last, with high-quality materials and precision engineering. Key features include:
  • Real-Time Switchable Calibrations: Quickly switch between calibrations with the push of a button, allowing for multiple setups for different driving conditions.
  • Multiple Shift Modes: Choose from full manual mode for using bump switch or paddle shifters, providing ultimate control over your transmission.
The harness is also equipped with California Proposition 65 warnings, ensuring compliance with state regulations regarding cancer and reproductive harm.

Practical Uses and Benefits

Whether you're a weekend warrior or a professional racer, the TCI Automotive 30294 EZ-TCU Wiring Harness is the perfect choice for enhancing your driving experience. Here are some practical uses and benefits:
  • Improved Performance: Experience smoother shifts and more responsive acceleration with the EZ-TCU's advanced control capabilities.
  • Customization: Tailor your transmission settings to your specific driving style and preferences for a personalized driving experience.
This versatile harness is ideal for anyone looking to upgrade their 2009+ 4L65/70E transmission, providing a combination of performance, customization, and ease of use.

What Our Customers Say

January 28, 2026

Absolutely no complaints!

The product is a very good piece of kit.

- Alivia H..

January 28, 2026

Absolutely no complaints!

I'm very happy with this gear.

- Kaison M..

January 28, 2026

Absolutely no complaints!

It's a very well-made and reliable purchase.

- Landry B..

Write a Review

You Might Also Like

Discover more great products from our collection.

Sweetheart Cafe

Sweetheart Cafe

(3)
$31.99 $102.99 -69%
P01641-02 FRONT GLASS/12

P01641-02 FRONT GLASS/12

(837)
$67.99 $217.99 -69%
0071061 - Mayari

0071061 - Mayari

(582)
$22.99 $73.99 -69%
SANlight EVO 6 120 1.5

SANlight EVO 6 120 1.5

(319)
$56.99 $182.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY