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7-Foot Custom Wiring Extension Harnesses (20-25 Sierra 3500 HD)Find parts that fit my vehicle

Item SHG52835
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Our Price

$95.95 each

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features

      • Seven-Foot Custom Wiring Extension Harnesses
      • With 7-Foot Long Harness for Extending Electrical Connections
      • Ideal for Auxiliary Lighting, Sensors, and Trailer Wiring
      • Features High-Quality Weatherproof Connectors
      • Wrapped in Durable, Abrasion-Resistant Loom
      • Color-Coded Wires for Simplified Installation
      • Plug-and-Play Design Reduces Splicing and Error
      • Fits 2020–2025 Sierra 3500 HD Models

      Description

      Extend Your Electrical Reach With Flexible, Reliable Wiring. These 7-Foot Custom Wiring Extension Harnesses are built for vehicle owners installing lighting, accessories, or electronic upgrades that require added wire length. Whether running cables to rear light bars, bed accessories, or trailer electronics, this harness offers a clean, secure connection without compromising voltage or signal quality.

      Durable Construction With OEM-Grade Materials. Wrapped in abrasion-resistant loom and sealed with weatherproof connectors, this harness is designed to handle exposure to moisture, road grime, and vibration. Color-coded wires ensure proper polarity and quick identification during install, making it easier to route cables exactly where you need them.

      Installation. This product installs using the included connectors. Mounting zip ties or loom clips are recommended for clean routing.

      Application. These 7-Foot Custom Wiring Extension Harnesses fit 2020–2025 Sierra 3500 HD models.

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Light to Moderate mechanical skill required.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Wiring Extension Harness
      • (1) Instruction Sheet

      Tech Specs

      5.0

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      Questions & Answers

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