【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.