76405-01A Pass Through Harness, Plug-N-Play OBD-II Wiring Harness for Electric Retractable Running Boards - Fits 2013-2020 Ram 1500 2500 3500 & 2008-2017 Toyota Sequoia - Side Step Connector

【Key Compatibility Note】 This 76405-01A Pass Thru Harness is specifically designed for full-size pickups to ensure seamless integration of electric retractable running boards. It serves as a direct plug-and-play solution that preserves your factory OBD-II port accessibility. 【Comprehensive Vehicle Fitment List】 For RAM 1500 Series (2002-2020) For Dodge Ram 1500 (2002-2010): Fits all trims including Laramie, SLT, Sport, SRT-10, ST, SXT, TRX, and TRX4. For Ram 1500 (2011-2020): Fits Big Horn, Express, HFE, Laramie, Limited, Lone Star, Outdoorsman, R/T, Rebel, SLT, Special Service, Sport, ST, and Tradesman. For Ram 1500 Classic (2019-2020): Fits Big Horn, Express, Laramie, Lone Star, SLT, Special Service, Tradesman, and Warlock. For RAM 2500 Series (2002-2020) For Dodge Ram 2500 (2002-2010): Fits Base, Laramie, Power Wagon, SLT, Sport, ST, SXT, TRX, and TRX4. For Ram 2500 (2011-2020): Fits Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, Outdoorsman, Power Wagon, SLT, ST, and Tradesman. For RAM 3500 Series (2002-2020) For Dodge Ram 3500 (2002-2010): Fits Base, Laramie, SLT, Sport, ST, SXT, and TRX4. For Ram 3500 (2011-2020): Fits Big Horn, Laramie, Laramie Limited, Laramie Longhorn, Limited, Lone Star, SLT, ST, and Tradesman. For Toyota Sequoia (2008-2017): Fits all trims including SR5, Limited, and Platinum. 【Technical Specifications】 Model Number: Replace 76405-01A Connection Type: OBD-II Pass-Through (Allows multiple device connections) Installation: Plug-N-Play (No wire splicing required) Function: Reads door signals to trigger automatic step deployment and retraction. 【Why Choose Our Pass Through Harness?】 Unlike standard harnesses that occupy your diagnostic port, our Pass Through design provides a secondary open port. This allows you to keep your electric steps functional while simultaneously using OBD-II devices such as code readers, insurance monitors, or performance tuners. Built with automotive-grade materials for maximum durability in harsh environments.

• 【Keep Your OBD-II Port Accessible】The innovative Pass Thru Harness design allows you to connect your automatic electric steps without sacrificing your vehicle's OBD-II port. This ensures the port remains open for diagnostic tools, insurance trackers, or performance tuners.
• 【True Plug-N-Play Installation】Skip the hassle of complicated wiring or splicing into factory lines. This harness features a simple clip-in OBD plug that reads door signals directly from the vehicle's computer, significantly reducing installation time.
• 【Perfect Fit for Ram & Toyota】Specifically engineered for 2013-2020 RAM 1500/2500/3500 and 2008-2017 Toyota Sequoia. Also compatible with select 2002-2012 Dodge Ram models (Please verify your trim in the full fitment list below). It integrates seamlessly with the computer system for near-instant step deployment.
• 【Durable & Clean Factory Look】Constructed with high-quality, heavy-duty automotive-grade wiring and connectors for long-lasting reliability. The harness stays tucked neatly under the dash, maintaining a clean factory appearance.
• 【Essential Electric Step Upgrade】A must-have Pass Thru Harness accessory for motorized retractable step systems. This Pass Through version provides the ultimate flexibility for modern, tech-heavy trucks and DIY enthusiasts.
• 【100% Satisfaction Guarantee】Professional & Sincere Service allows you to make a purchase at our store without any risks. All products can be returned for a fu-ll refund within 30 days if you are not satisfied with this shopping experience. 12-Month warranty for quality-related issues.