Fortin EVO-GMT4 Plug and Play Remote Starter for Cadillac, Chevrolet, GMC ⭕

$149.97 CAD

  • Fortin GM4-ALL Plug and Play Remote Starter ⭕ with wiring harness, professional installation, technical support, fast shipping, connected car experts
LOCKDOWN'S CHOICE

GM4-ALL

$149.97 CAD
$149.97 CAD
Shipping calculated at checkout.
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Learn how to use this product.

Expert Verdict (2026) - Why Buy?

"The Fortin GM4-ALL is a specialized interface module designed for the evolving electrical architectures of General Motors vehicles, particularly those moving into 'Global A' and newer data platforms. At Lockdown Security, we recommend the GM4-ALL for Chevrolet, GMC, and Cadillac owners who need a module that can communicate across multiple data buses simultaneously. This ensures that features like heated seats and climate control activation work seamlessly during a remote start sequence. It is a high-reliability solution that handles the complex immobilizer bypass required for modern GM trucks and SUVs without the need for 'key-in-the-box' methods, maintaining your vehicle's full anti-theft integrity."

This is the Fortin EVO-GMT4 Plug and Play remote starter for Cadillac, Chevrolet, and GMC vehicles.
This is a bundled product that includes:
Fortin EVO-ALL Interface Module
Fortin EVO-ALL Interface Module
Fortin THAR-GM4 T-Harness for Cadillac, Chevrolet and GMC
Fortin THAR-GM4 T-Harness for Cadillac, Chevrolet and GMC

Specifications

Installation Method
  • Plug and Play

Transmission Support
  • Automatic

Car Alarm Capable

No

Designed To Fit:
  • Cadillac
  • Chevrolet
  • GMC

Warranty
  • 1 Year on Control Module
  • 1 Year on Key Fobs, and Accessories

What vehicles does this product fit?

Testimonials

  • Exceptionally Helpful

    They were exceptionally helpful despite me going down the DIY route having never installed a remote starter before. There was no T harness kit available for my vehicle which led to a few questions which they thankfully were very helpful with. Mission remote start was successful and I'm super pleased.

    Stephen Anthony
    DIY Client

  • 10 out of 10

    I would recommend Lockdown security 10 out of 10 times. Leo and his team were professional, fast acting and provided excellent service. I am very happy with my remote starter.

    Jay
    Enjoying a warm vehicle!

  • Responsive, Easy to Use

    Have been using Lockdown Security for years. Just ordered the fifth remote starter from them and installed myself. Their website is easy to use and intuitive. They are responsive and more than willing to answer questions for the DIY customers. Would strongly recommend to anyone looking to purchase a remote starter.

    Ayad
    DIY Client