Holley EFI Drive-By-Wire Dual Throttle Body Harness: Chrysler 300 (05-15) / Dodge Ram 1500 (03-10)

Holley EFI Drive-By-Wire Dual Throttle Body Harness

Chrysler HEMI Engines

558-450

Overview:

The Holley EFI Drive-By-Wire Dual Throttle Body Harness is engineered specifically for Chrysler HEMI engines equipped with dual drive-by-wire throttle bodies. Designed to integrate seamlessly with the Holley EFI Dominator ECU, this harness enables precise electronic control of dual OEM throttle bodies (P/N 53034251AB), delivering smooth throttle response and enhanced drivability. This product is ideal for enthusiasts and professional tuners looking to upgrade or retrofit their EFI system with advanced drive-by-wire capability.

To complete the installation, the harness requires the compatible pedal assembly, part number 0486 1714, ensuring full system compatibility and optimal performance. This harness simplifies wiring complexity and provides a reliable connection between the ECU and throttle bodies, making it an essential component for modern EFI setups on Chrysler HEMI platforms.

Key Features:

Designed with precision and reliability in mind, the Holley EFI Drive-By-Wire Dual Throttle Body Harness offers the following key features:

• Direct compatibility with Holley EFI Dominator ECU for seamless integration
• Supports dual drive-by-wire throttle bodies, OEM part number 53034251AB
• Requires Holley pedal assembly part number 0486 1714 for complete system functionality
• High-quality connectors and wiring for dependable signal transmission
• Engineered specifically for Chrysler HEMI engines to ensure perfect fit and operation
• Reduces installation time by providing a plug-and-play wiring solution
• Facilitates precise throttle control and improved engine management
• Durable construction designed to withstand automotive environments

Construction & Design:

The harness is constructed using automotive-grade wiring and connectors that resist heat, vibration, and corrosion, ensuring long-lasting durability under the hood. Each connection is engineered to maintain signal integrity for accurate throttle position feedback to the ECU. The design focuses on ease of installation, with color-coded and keyed connectors that prevent miswiring and simplify the setup process. This robust construction supports the demanding electrical requirements of modern drive-by-wire throttle systems.

Installation & Fitment:

Installation of the Holley EFI Drive-By-Wire Dual Throttle Body Harness is straightforward when paired with the Holley EFI Dominator ECU and the specified pedal assembly (part number 0486 1714). The harness is designed to plug directly into the dual OEM throttle bodies (P/N 53034251AB) found on Chrysler HEMI engines, minimizing the need for custom wiring or modifications. This plug-and-play approach reduces installation time and potential errors, making it suitable for both professional installers and experienced enthusiasts.

What's Included:

• Holley EFI Drive-By-Wire Dual Throttle Body Harness (SKU 558-450)

Ideal For:

This harness is ideal for automotive enthusiasts, professional tuners, and custom builders who are upgrading or converting their Chrysler HEMI engine setups to utilize dual drive-by-wire throttle bodies with Holley EFI systems. It is especially suited for those seeking precise electronic throttle control and improved engine management capabilities in performance or street applications.