Go Shift Electronic Transmission Control Unit for GM 4L60/65/80/85E

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Drivetrain› Automatic Transmissions and Components

FiTech

Go Shift Electronic Transmission Control Unit for GM 4L60/65/80/85E

Name: Go Shift Electronic Transmission Control Unit for GM 4L60/65/80/85E
Brand: FiTech
SKU: 20010-4

$18.00

SKU: 20010-4

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$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The FiTech Go Shift is a stand-alone electronic transmission control unit designed for GM 4L60/65/80/85E transmissions. It allows for precise control over shift points, shift firmness, and downshift timing, enhancing response, fuel economy, and reliability. The system includes a compact ECU, main wiring harness, and a color touch screen hand-held controller for configuration and real-time monitoring.

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The FiTech Go Shift stand-alone electronic transmission control unit is engineered to upgrade GM 4L60/65/80/85E transmissions, offering a modern transmission experience with improved performance and reliability. This system provides granular control over key transmission functions, including shift points, shift firmness, and proper downshift timing, leading to better throttle response, enhanced fuel economy, and overall increased dependability. Configuration is simplified through the included color touch screen hand-held controller. This device allows users to easily adjust parameters and monitor transmission performance in real-time. Once configured, the controller can be disconnected. The kit comes complete with everything necessary to connect and control the compatible GM transmissions, including the main wiring harness and the compact ECU. This transmission control unit is suitable for GM 4L60, 4L65, 4L80, and 4L85E transmissions manufactured in 1996 and later. All necessary harnesses for connection to your transmission are included in the package.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

Brand	FiTech
Part Number	20010-4
Category	Drivetrain

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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