AMP Research PowerStep Plug N Play Pass Thru Harness

2002–2020 Dodge Ram 1500 / 2500 / 3500

76405-01A

Overview:

The AMP Research PowerStep Plug N Play Pass Thru Harness is an essential accessory designed to seamlessly integrate with AMP Research PowerStep running boards on Dodge Ram trucks from 2002 through 2020. This harness allows you to maintain full access to your vehicle’s OBD-II diagnostic port even after installing the PowerStep system, ensuring that routine diagnostics and emissions testing remain hassle-free. Ideal for Ram owners who want the convenience of motorized running boards without sacrificing access to critical vehicle systems.

Specifically engineered for Dodge Ram 1500, 2500, and 3500 models spanning multiple trims and years, this harness provides a clean, plug-and-play solution that preserves factory wiring integrity. It supports a wide range of Ram configurations including Laramie, SLT, Sport, Big Horn, Rebel, and more, making it a versatile choice for nearly all Ram truck enthusiasts.

Key Features:

Designed to complement AMP Research PowerStep systems, the Pass Thru Harness offers several key benefits:

• Maintains full access to the vehicle’s OBD-II port after PowerStep installation
• Plug-and-play design for straightforward integration with existing AMP PowerStep wiring
• Compatible with Dodge Ram 1500, 2500, and 3500 models from 2002 to 2020
• Supports a wide range of trims including Laramie, SLT, Sport, Big Horn, Rebel, and more
• Preserves factory wiring and diagnostic functionality without modification
• Durable construction designed to withstand harsh automotive environments
• Allows for easy diagnostics, emissions testing, and vehicle monitoring post-installation
• Requires only minor drilling for installation, no complex wiring changes needed

Construction & Design:

The AMP Research Pass Thru Harness is engineered with high-quality automotive-grade wiring and connectors to ensure reliable electrical performance and long-lasting durability. The harness is designed to integrate seamlessly with the existing PowerStep wiring harness, maintaining a clean and professional installation. Its robust connectors resist corrosion and environmental damage, ensuring consistent signal transmission to the OBD-II port.

Careful attention to fitment and connector design guarantees compatibility across a broad range of Dodge Ram models and trims, minimizing installation time and complexity. The harness’s design also prioritizes maintaining the integrity of the vehicle’s factory wiring harness, preventing any interference with onboard electronics.

Installation & Fitment:

Installation of the AMP Research PowerStep Plug N Play Pass Thru Harness is straightforward for anyone familiar with automotive electrical systems. The harness plugs directly into the AMP PowerStep wiring system and the vehicle’s OBD-II port, requiring only minor drilling to secure the harness in place. This ensures a clean, professional installation without the need for splicing or cutting factory wires.

The harness is specifically designed to fit Dodge Ram 1500, 2500, and 3500 models from 2002 through 2020, covering a wide range of trims such as Laramie, SLT, Sport, Big Horn, Rebel, and more. This extensive fitment ensures compatibility with most Ram trucks equipped with AMP Research PowerStep running boards.

What's Included:

• AMP Research PowerStep Plug N Play Pass Thru Harness
• Installation hardware and mounting components
• Detailed installation instructions

Ideal For:

This harness is ideal for Dodge Ram owners who have installed or plan to install AMP Research PowerStep running boards and want to retain easy access to their vehicle’s OBD-II diagnostic port. It is perfect for enthusiasts who value convenience, maintainability, and preserving factory vehicle functions without compromising on aftermarket upgrades.

Whether you use your Ram for daily driving, work, or off-road adventures, this harness ensures your PowerStep system integrates flawlessly while keeping your vehicle’s diagnostics accessible.

AMP Research builds rugged, purpose-driven truck and SUV accessories focused on easier access and smarter cargo management. Best known for its PowerStep™ automatic retractable running boards, the lineup also includes BedStep® tailgate access solutions and BedXTender® cargo systems—designed to add everyday usability without sacrificing off-road-ready durability.