{"product_id":"holley-efi-chrysler-hemi-drive-by-wire-dual-throttle-body-harness-558-450be","title":"Holley EFI Drive-By-Wire Dual Throttle Body Harness: Chrysler 300 (05-15) \/ Dodge Ram 1500 (03-10)","description":"\u003ch3\u003eHolley EFI Drive-By-Wire Dual Throttle Body Harness\u003c\/h3\u003e\u003cp\u003eChrysler HEMI Engines\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e558-450\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003cp\u003eTo 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with precision and reliability in mind, the Holley EFI Drive-By-Wire Dual Throttle Body Harness offers the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirect compatibility with Holley EFI Dominator ECU for seamless integration\u003c\/li\u003e\n\u003cli\u003eSupports dual drive-by-wire throttle bodies, OEM part number 53034251AB\u003c\/li\u003e\n\u003cli\u003eRequires Holley pedal assembly part number 0486 1714 for complete system functionality\u003c\/li\u003e\n\u003cli\u003eHigh-quality connectors and wiring for dependable signal transmission\u003c\/li\u003e\n\u003cli\u003eEngineered specifically for Chrysler HEMI engines to ensure perfect fit and operation\u003c\/li\u003e\n\u003cli\u003eReduces installation time by providing a plug-and-play wiring solution\u003c\/li\u003e\n\u003cli\u003eFacilitates precise throttle control and improved engine management\u003c\/li\u003e\n\u003cli\u003eDurable construction designed to withstand automotive environments\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInstallation 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eHolley EFI Drive-By-Wire Dual Throttle Body Harness (SKU 558-450)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis 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.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":47315668205780,"sku":"558-450","price":340.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0002399_a1ef18c0d3f0f1f11d22556457d815f92c585741_fb0b3942-7fb6-47a2-a3b5-47ed53783c90.webp?v=1771667087","url":"https:\/\/fasthemis.com\/products\/holley-efi-chrysler-hemi-drive-by-wire-dual-throttle-body-harness-558-450be","provider":"FastHemis","version":"1.0","type":"link"}