404 Parts

GM Auxiliary Switch Extension Harness 24 Inch | Plug and Play

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  • $79.99
  • Regular price $99.99
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GM Auxiliary Switch Extension Harness – 24 Inch Plug and Play

When you’re relocating a GM factory 3- or 5-button auxiliary switch bank, the original harness often comes up short. This updated 24 inch Extension Harness adds the extra length you need for a clean, flexible install without any guesswork.

Built by 404 Parts, this harness is fully plug and play. No cutting. No splicing. No special tools. It uses OEM grade connectors, factory spec wire gauge, and is professionally wrapped to blend seamlessly with your existing wiring. Perfect for console swaps, repositioning switches, or any custom setup where the stock harness just doesn’t reach.

Features

✔ Plug and play design — no cutting or splicing needed
✔ OEM style connectors for a perfect factory fit
✔ Factory gauge wire for safe, reliable connections
✔ Extended 24 inch length for maximum flexibility
✔ Professionally wrapped for a clean, OEM look

Vehicle Fitment

Fits GM trucks equipped with or adding GM auxiliary upfitter switches. This harness is designed to relocate your existing switch harness to a new position as part of a custom installation.

📌 VIN check guarantee does not apply to custom wiring harnesses.

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