{"title":"Wiring Harnesses","description":null,"products":[{"product_id":"led-resistor-harness","title":"ARC Lighting LED Load Resistor Harness — Fix Hyperflash \u0026 Error Codes","description":"\u003ch2\u003eResolve LED Hyperflash and Error Codes with the ARC Lighting LED Load Resistor Harness\u003c\/h2\u003e\u003cp\u003eThe transition to modern LED lighting offers superior brightness, efficiency, and longevity, but often introduces frustrating electrical anomalies like rapid turn signal flashing (hyperflash) or persistent dashboard error messages. The ARC Lighting LED Load Resistor Harness (P\/N 2001R) is the definitive, straightforward solution to these common issues. Expertly designed to accurately simulate the electrical load of traditional incandescent bulbs, this harness ensures your vehicle's flasher relay or ECU operates correctly, restoring proper turn signal speed and eliminating those annoying warning lights.\u003c\/p\u003e\u003ch3\u003eSeamless Integration for Flawless LED Performance and Reliability\u003c\/h3\u003e\u003cp\u003eARC Lighting is a trusted name dedicated to providing high-quality, reliable solutions for all your automotive lighting needs. This specific load resistor harness is engineered for exceptionally straightforward installation, making it an ideal choice for both seasoned DIY enthusiasts and professional automotive technicians. Its robust, automotive-grade construction ensures long-lasting performance and unwavering reliability, allowing you to fully enjoy the aesthetic and functional benefits of your LED lighting upgrade without any compromises to your vehicle's electrical system or dashboard indicators.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits of the ARC Lighting 2001R Resistor:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEliminates Hyperflash:\u003c\/strong\u003e Precisely corrects the rapid turn signal flashing that frequently occurs when low-resistance LED bulbs replace higher-resistance incandescent bulbs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Error Codes:\u003c\/strong\u003e Effectively stops dashboard warning lights and 'bulb-out' messages generated by your vehicle's sophisticated bulb detection systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Universally designed to work seamlessly with a wide array of LED turn signals, brake lights, reverse lights, and other exterior lighting applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Manufactured with high-quality components built to withstand the harsh demands of automotive environments, ensuring reliable, long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless Installation:\u003c\/strong\u003e Engineered for a simple, often plug-and-play setup, significantly minimizing the need for complex modifications or specialized tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Load Simulation:\u003c\/strong\u003e Provides the exact electrical resistance required to accurately mimic incandescent bulbs, ensuring correct system operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEnjoy Your LEDs Without Compromise or Complications\u003c\/h3\u003e\u003cp\u003eDon't allow hyperflash or persistent error messages to detract from the enhanced visibility and modern aesthetic of your LED lighting upgrade. The ARC Lighting LED Load Resistor Harness is a small yet incredibly vital component that restores proper functionality to your vehicle's electrical system. It's an indispensable accessory for anyone seeking a clean, professional, and fully functional LED installation, guaranteeing your signals operate precisely as intended and your dashboard remains clear of unnecessary warnings, enhancing both safety and driving experience.\u003c\/p\u003e\u003cp\u003eAchieve perfect LED performance and peace of mind with the ARC Lighting LED Load Resistor Harness. Discover this and other premium lighting solutions designed for peak automotive performance exclusively at GGCRACING.COM.\u003c\/p\u003e","brand":"ARC Lighting","offers":[{"title":"Default Title","offer_id":40866345156692,"sku":"HWXP_2001R","price":15.76,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARL2001R.jpg?v=1714259526"},{"product_id":"led-decoder-harness-kit-9004-pair","title":"ARC Lighting LED Decoder Harness Kit — 9004 Bulb CANbus Error Canceller","description":"\u003ch2\u003eEliminate LED Flickering and Error Codes\u003c\/h2\u003e\u003cp\u003eUpgrade your vehicle's lighting system with the ARC Lighting LED Decoder Harness Kit. Designed specifically for 9004 bulb applications, this all-in-one decoder is the perfect solution for vehicles equipped with sensitive CANbus or PWM lighting systems. If you have recently switched to LED headlights and are experiencing flickering, dashboard error warnings, or intermittent power issues, this harness kit provides a seamless plug-and-play fix.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCompatibility: 9004 Bulb types\u003c\/li\u003e\n\u003cli\u003eSystem Support: CANbus and PWM compatible\u003c\/li\u003e\n\u003cli\u003eFunction: Eliminates flickering and dashboard error codes\u003c\/li\u003e\n\u003cli\u003eDesign: All-in-one decoder harness\u003c\/li\u003e\n\u003cli\u003eQuantity: Sold as a pair\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe ARC Lighting 20942 decoder harness is built to withstand the harsh environment of the engine bay, featuring high-quality wiring and connectors that ensure a secure, long-lasting connection. Installation is straightforward, requiring no complex wiring or modifications to your factory harness. Simply connect the decoder between your vehicle's factory plug and the new LED bulb to restore proper operation and full functionality. By stabilizing the electrical load, this kit protects your new LED bulbs from premature failure caused by voltage fluctuations. Enhance your visibility and eliminate lighting headaches with reliable solutions from GGCRACING.\u003c\/p\u003e","brand":"ARC Lighting","offers":[{"title":"Default Title","offer_id":40866345254996,"sku":"HWXP_20942","price":39.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARL20942.jpg?v=1714259543"},{"product_id":"led-decoder-harness-kit-9005-9006-9012-h10-pair","title":"ARC Lighting LED Decoder Harness Kit — 9005\/9006\/9012\/H10 Error Canceller","description":"\u003ch2\u003eAdvanced Lighting Solutions for Modern Vehicles\u003c\/h2\u003e\u003cp\u003eThe ARC Lighting LED Decoder Harness Kit is the ultimate solution for resolving electrical compatibility issues when upgrading to LED headlights. Designed for versatility, this kit fits 9005, 9006, 9012, and H10 bulb sockets. If your vehicle's computer system detects a lower power draw from LEDs and triggers a 'bulb out' warning or causes flickering, this decoder harness effectively balances the load to ensure smooth, consistent light output.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-Fit: Compatible with 9005, 9006, 9012, and H10 bulbs\u003c\/li\u003e\n\u003cli\u003eCompatibility: Designed for CANbus and PWM lighting systems\u003c\/li\u003e\n\u003cli\u003ePerformance: Eliminates flickering and dashboard error messages\u003c\/li\u003e\n\u003cli\u003eReliability: Durable construction for engine bay use\u003c\/li\u003e\n\u003cli\u003ePackage: Includes a pair of decoders\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eEngineered for ease of use, the ARC Lighting 20952 harness allows for a simple, plug-and-play installation. There is no need for cutting or splicing into your vehicle's factory wiring, maintaining the integrity of your car's electrical system. By providing the necessary resistance to the vehicle's computer, this decoder ensures that your LED headlights operate exactly as intended. Whether you are upgrading your low beams, high beams, or fog lights, this kit provides the stability needed for a professional-grade lighting setup. Trust in the quality of ARC Lighting to keep your vehicle's illumination performing at its peak. Find all your automotive lighting essentials at GGCRACING.\u003c\/p\u003e","brand":"ARC Lighting","offers":[{"title":"Default Title","offer_id":40866345320532,"sku":"HWXP_20952","price":36.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/ARL20952.jpg?v=1714259551"},{"product_id":"ls-ignition-coil-harness","title":"Chevrolet Performance LS Ignition Coil Wiring Harness — Fits GM LS-Series","description":"\u003ch2\u003eRestore Ignition Reliability with Genuine Harnesses\u003c\/h2\u003e\u003cp\u003eEnsure your engine's ignition system operates flawlessly with the Chevrolet Performance LS Ignition Coil Wiring Harness. Over time, heat and vibration can degrade wiring, leading to misfires, poor performance, or intermittent ignition issues. This genuine replacement harness is designed to restore the electrical connection between your ignition system and the coil packs, ensuring consistent spark delivery.\u003c\/p\u003e\u003ch3\u003eWhy Choose This Harness?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eApplication: Ignition to Coil Pack Connection\u003c\/li\u003e\n\u003cli\u003eCompatibility: GM LS-Series Engines\u003c\/li\u003e\n\u003cli\u003eConstruction: OEM-Grade Wiring and Connectors\u003c\/li\u003e\n\u003cli\u003eBenefit: Eliminates Misfires and Electrical Gremlins\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis harness features factory-spec connectors that snap securely into place, providing a weather-resistant and reliable connection that withstands the harsh environment of an engine bay. By using genuine Chevrolet Performance components, you ensure that your ignition system maintains the precise electrical resistance required for optimal combustion. Whether you are troubleshooting a rough idle or performing a complete engine overhaul, replacing old, brittle wiring is a smart investment in your vehicle's longevity. Find the electrical components you need for your next project at GGCRACING.\u003c\/p\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":40868263919700,"sku":"FMQX_12579355","price":167.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/GMP12579355.jpg?v=1714294428"},{"product_id":"wire-harness-for-cam-position-sensor","title":"Chevrolet Performance Cam Position Sensor Wire Harness — Fits LS2 \u0026 GM LS-Series Engines","description":"\u003ch2\u003eRestore Flawless Engine Timing with Chevrolet Performance Cam Sensor Harness\u003c\/h2\u003e\u003cp\u003eEnsure your engine's critical timing functions are operating flawlessly with this genuine \u003cb\u003eChevrolet Performance Cam Position Sensor Wire Harness\u003c\/b\u003e. Specifically designed for \u003cb\u003eLS2 and other GM LS-Series engines\u003c\/b\u003e, this harness provides a reliable and secure connection for your camshaft position sensor. A damaged or degraded harness can lead to intermittent sensor signals, causing engine misfires, reduced performance, and illuminated check engine lights. This OE-quality replacement ensures accurate data transmission for optimal engine management.\u003c\/p\u003e\u003ch3\u003eUncompromised Quality for Critical Engine Signals\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExact OE Replacement:\u003c\/b\u003e Engineered to match the original factory harness for perfect fitment and electrical compatibility with LS2 and GM LS-Series applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Quality Materials:\u003c\/b\u003e Constructed with durable wiring and connectors to withstand harsh under-hood conditions, including extreme temperatures and vibrations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eReliable Signal Transmission:\u003c\/b\u003e Guarantees a clean and consistent signal from the camshaft position sensor to the ECU, crucial for precise ignition and fuel injection timing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrevents Engine Issues:\u003c\/b\u003e A properly functioning harness helps avoid common problems like rough idle, stalling, poor fuel economy, and diagnostic trouble codes related to cam timing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Installation:\u003c\/b\u003e Designed for a direct plug-and-play replacement, simplifying the repair process for mechanics and DIYers alike.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Foundation of Engine Control\u003c\/h3\u003e\u003cp\u003eThe camshaft position sensor is a vital component in modern engine management, providing the ECU with information about the camshaft's rotational position. The integrity of its wiring harness is paramount for this data to be accurately transmitted. This Chevrolet Performance harness eliminates potential signal interference, allowing your LS2 or other LS-Series engine to run smoothly, efficiently, and powerfully. Don't let a faulty harness compromise your engine's performance.\u003c\/p\u003e\u003cp\u003eFor reliable electrical components that meet the highest standards, choose GGCRACING.\u003c\/p\u003e","brand":"Chevrolet Performance Parts","offers":[{"title":"Default Title","offer_id":40868377952340,"sku":"FMQX_12627501","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/GMP12627501.jpg?v=1714294709"},{"product_id":"crank-cam-ignition-harness","title":"Holley EFI Crank\/Cam Ignition Harness — Universal HP and Dominator EFI","description":"\u003ch2\u003ePrecision Timing with Holley EFI Crank\/Cam Ignition Harness\u003c\/h2\u003e\u003cp\u003eThe Holley EFI Crank\/Cam Ignition Harness is a critical component for any high-performance engine management setup using Holley HP or Dominator EFI systems. This harness is designed to provide a clean, interference-free signal from your crankshaft and camshaft sensors to the ECU. 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This harness is built to the highest standards, ensuring that your ECU receives accurate data for every revolution. Whether you are running a stock engine or a full-blown race motor, reliable sensor signals are non-negotiable. Trust this Holley EFI harness to keep your timing locked in and your engine running at its peak potential. Find all your essential engine management wiring and components at GGCRACING.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":40880333422676,"sku":"GVMR_558-431","price":89.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY558-431.jpg?v=1714509244"},{"product_id":"adp-harness-sniper-efi-to-efi-dual-sync-distr","title":"Holley EFI 558-493 Sniper EFI to Dual Sync Distributor Adapter Harness — Universal Ignition Upgrade","description":"\u003ch2\u003eSimplify Your Ignition Setup with Holley EFI\u003c\/h2\u003e\u003cp\u003eThe Holley EFI 558-493 adapter harness is the ultimate solution for enthusiasts looking to bridge the gap between Sniper EFI systems and Holley Dual Sync distributors. Designed for precision and reliability, this plug-and-play harness eliminates the guesswork of custom wiring, ensuring your ignition signal remains clean, consistent, and interference-free during high-RPM operation.\u003c\/p\u003e\u003ch3\u003eKey Features and Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Installation:\u003c\/strong\u003e Engineered for a direct fit, saving you hours of splicing and troubleshooting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Signal Integrity:\u003c\/strong\u003e High-quality shielding protects your ignition timing data from electrical noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built with automotive-grade materials to withstand the harsh heat and vibration of the engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Specifically designed to allow the Sniper EFI ECU to communicate perfectly with the Dual Sync distributor architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are building a street machine or a dedicated track car, this harness ensures your engine management system functions at its peak. By maintaining a solid connection between your EFI controller and the distributor, you prevent common timing drift issues and improve overall engine efficiency. Trust the experts at GGCRACING to provide the high-performance wiring solutions your vehicle demands for reliable ignition performance.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":40880333586516,"sku":"GVMR_558-493","price":43.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY558-493.jpg?v=1714509253"},{"product_id":"hei-ignition-harness","title":"Holley EFI 558-304 GM Small Cap HEI to Avenger\/HP\/Dominator Adapter Harness — Universal EFI Upgrade","description":"\u003ch2\u003eProfessional Ignition Integration for GM HEI Systems\u003c\/h2\u003e\u003cp\u003eThe Holley EFI 558-304 ignition adapter harness is an essential component for those upgrading their GM Small Cap HEI distributor to work with advanced Holley EFI systems. Compatible with Avenger, HP, and Dominator ECUs, this harness provides a professional-grade connection that ensures your engine management system receives accurate crank and cam signals for precise timing control.\u003c\/p\u003e\u003ch3\u003eWhy Choose the 558-304 Harness?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works seamlessly with Holley Avenger, HP, and Dominator EFI platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Signal Path:\u003c\/strong\u003e Engineered to minimize electrical interference, ensuring stable timing under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory-Style Connectors:\u003c\/strong\u003e Uses high-quality terminals that snap securely into place for a weather-resistant seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Tuning:\u003c\/strong\u003e By providing a clean signal, this harness makes the initial setup and timing calibration of your EFI system significantly easier.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDon't let poor wiring compromise your engine's potential. The 558-304 harness is built to withstand the rigors of high-performance driving, featuring heat-resistant loom and durable wiring that stands up to extreme under-hood temperatures. Whether you are performing a full EFI conversion or simply upgrading your ignition, this harness is the reliable link your build requires. 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It's the perfect solution for engine swaps or upgrades requiring sophisticated ignition control.\u003c\/p\u003e\u003ch3\u003ePrecision Ignition for Ford MPFI Engines\u003c\/h3\u003e\u003cp\u003eDesigned specifically for Ford MPFI applications utilizing Coil-On-Plug technology, this main harness simplifies the complex wiring required for individual coil control. It ensures accurate signal transmission from your Holley EFI system to each coil, leading to stronger, more consistent spark events. The result is improved combustion efficiency, enhanced horsepower, and a smoother running engine, critical for both street and track performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFord MPFI Specific:\u003c\/b\u003e Tailored for Multi-Port Fuel Injection Ford engines with COP ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCoil-On-Plug Integration:\u003c\/b\u003e Provides dedicated wiring for individual ignition coils.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMain Harness Design:\u003c\/b\u003e Centralizes ignition wiring for a cleaner, more organized engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Performance:\u003c\/b\u003e Ensures precise spark timing and delivery for maximum power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Built to withstand the rigors of high-performance automotive use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHarness Type:\u003c\/b\u003e Coil-On-Plug Main Ignition Harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Ford MPFI Engines with Coil-On-Plug Ignition\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Ignition System Integration with Holley EFI\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuantity:\u003c\/b\u003e Each\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eElevate your Ford's ignition system with the Holley EFI Ford MPFI Coil On Plug Main Harness, available at GGCRACING.COM, your source for high-performance EFI solutions.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":40880333750356,"sku":"GVMR_558-118","price":665.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY558-118.jpg?v=1714509272"},{"product_id":"universal-mpfi-coil-on-plug-main-harness","title":"Holley EFI 558-117 Universal MPFI Coil-On-Plug Main Harness - Customizable Ignition","description":"\u003ch2\u003eFlexible Coil-On-Plug Ignition for Any Custom Build\u003c\/h2\u003e\u003cp\u003eEmpower your unique engine project with the \u003cstrong\u003eHolley EFI 558-117 Universal MPFI Coil-On-Plug Main Harness\u003c\/strong\u003e. This versatile ignition wiring harness is designed for custom applications, providing the flexibility needed to integrate a modern coil-on-plug (COP) ignition system into virtually any Multi-Port Fuel Injection (MPFI) setup. Achieve superior spark delivery, reduce electrical noise, and enjoy the benefits of a highly efficient and customizable ignition solution for your high-performance engine.\u003c\/p\u003e\u003ch3\u003eAdaptable Design for Diverse Applications\u003c\/h3\u003e\u003cp\u003eThe universal nature of the 558-117 harness makes it an ideal choice for engine swaps, custom builds, or unique performance projects where off-the-shelf solutions don't fit. It allows you to precisely route and connect your coil-on-plug ignition components, ensuring a clean, professional installation. By providing a direct, powerful spark to each cylinder, this harness contributes to improved engine response, better fuel economy, and increased overall power output. Its robust construction ensures reliability in any demanding environment.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal MPFI Compatibility:\u003c\/strong\u003e Ideal for custom builds and engine swaps requiring COP ignition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Installation:\u003c\/strong\u003e Adaptable design for precise routing and clean setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Spark Delivery:\u003c\/strong\u003e Ensures powerful, consistent spark to each cylinder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Engine Performance:\u003c\/strong\u003e Contributes to improved throttle response and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand extreme temperatures and vibrations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuild Your Dream Engine with Holley EFI\u003c\/h3\u003e\u003cp\u003eWhen precision and adaptability are paramount, the Holley EFI 558-117 Universal MPFI Coil-On-Plug Main Harness delivers. It's the perfect foundation for a high-performance ignition system in a custom application, giving you the control and reliability you demand. Trust Holley EFI to provide the quality components that bring your vision to life and ensure your engine performs at its peak. Explore this and other essential wiring solutions for your project at GGCRACING.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":40880334110804,"sku":"GVMR_558-117","price":538.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY558-117.jpg?v=1714509281"},{"product_id":"j4-connector-harness","title":"Holley EFI 558-404 J4 Auxiliary Connector \u0026 Harness — Dominator EFI Expansion","description":"\u003ch2\u003eUnlock Advanced Control with the Holley J4 Harness\u003c\/h2\u003e\u003cp\u003eThe Holley EFI 558-404 J4 auxiliary harness is the key to unlocking the full potential of your Dominator EFI system. 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Eliminating the need for complex custom wiring, it ensures a clean, reliable, and efficient integration, allowing your engine to benefit from the precise timing and powerful spark delivery of the HyperSpark system.\u003c\/p\u003e\u003ch3\u003eDesigned for Optimal Performance and Easy Installation\u003c\/h3\u003e\u003cp\u003eConstructed with high-quality materials and precision connectors, this EFI wiring harness adapter guarantees excellent signal integrity and durability in the demanding automotive environment. It's designed for a straightforward installation, making it an ideal solution for enthusiasts and professionals alike who want to upgrade their ignition without the hassle of extensive electrical work. Experience the confidence that comes with a perfectly matched and integrated ignition system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e EFI Wiring Harness Adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Ignition Adapter Harness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e HyperSpark Distributors to Holley EFI Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBenefit:\u003c\/strong\u003e Enables precise ignition control and simplified wiring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Each (single unit)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eUnlock Advanced Ignition Capabilities\u003c\/h3\u003e\u003cp\u003eThe HyperSpark Ignition system is renowned for its ability to deliver a powerful, consistent spark, crucial for maximizing horsepower and torque, especially in high-performance applications. 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This adapter harness is engineered to bridge the gap between your ignition components, providing a clean and reliable signal path that is critical for high-RPM stability and engine longevity. Whether you are performing a full EFI conversion or simply upgrading your ignition, this harness is a must-have for a professional-grade installation. By maintaining factory-style connections, you reduce the risk of electrical noise and connection failure, giving you peace of mind on the street or the track. 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The Holley EFI 558-321 GM LS Coil Sub Harnesses offer a premium, factory-replacement solution to restore the integrity of your ignition system. Designed to meet or exceed OEM specifications, these harnesses ensure optimal current delivery to your ignition coils for consistent, powerful spark.\u003c\/p\u003e\u003ch3\u003ePrecision Fit and Durable Construction\u003c\/h3\u003e\u003cp\u003eThis pair of ignition wiring harnesses is engineered for a direct, hassle-free installation on your GM LS-Series engine. Each sub-harness features high-quality connectors and robust wiring, providing excellent resistance to heat, oil, and abrasion. By replacing old, brittle wiring, you eliminate potential points of failure within your ignition system, ensuring reliable engine operation whether you're on the street or the track. 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Whether you're performing routine maintenance, troubleshooting an ignition issue, or building a new LS engine, these harnesses are an essential component for ensuring your ignition system operates at its best. Trust Holley EFI for superior quality and performance. Find all your LS ignition needs at GGCRACING.COM.\u003c\/p\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":40880355180628,"sku":"GVMR_558-321","price":179.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/HLY558-321.jpg?v=1714510047"},{"product_id":"j2b-auxiliary-harness-kit","title":"Holley EFI J2B Auxiliary Harness Kit — Dominator EFI Universal","description":"\u003ch2\u003eUnlock Your Dominator's Potential\u003c\/h2\u003e\u003cp\u003eThe Holley EFI J2B Auxiliary Harness Kit (558-402) is a must-have for users looking to expand the I\/O capabilities of their Dominator EFI system. This harness provides the necessary connections to utilize additional sensors, switches, and actuators, allowing for advanced control strategies like boost control, nitrous stages, or custom data logging. 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By using this dedicated harness, you avoid the mess of splicing into the main engine harness, which can lead to signal interference and troubleshooting headaches. This kit is the professional solution for racers who need to maximize the functionality of their Dominator EFI. 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This not only saves time during the installation process but also ensures that your connections are secure and resistant to the vibrations and heat of the engine bay. By utilizing the auxiliary pins on the J2A connector, you can implement sophisticated control strategies that were previously unavailable. Whether you are managing a complex turbo setup or simply want better control over your vehicle's cooling and fuel systems, this harness is the reliable choice. Trust in the quality of Holley EFI components to keep your engine running perfectly under any conditions. 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This high-quality wiring solution allows for a plug-and-play connection between Delphi M\/P 3-pin and Delphi GT 3-pin configurations, making it an essential tool for custom LS swaps or sensor upgrades. Avoid the frustration of cutting and splicing factory wiring by using this professional-grade adapter.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConnector A: Delphi M\/P 3-Pin\u003c\/li\u003e\n\u003cli\u003eConnector B: Delphi GT 3-Pin\u003c\/li\u003e\n\u003cli\u003eApplication: GM LS-Series Engine Management\u003c\/li\u003e\n\u003cli\u003eHigh-heat resistant insulation for engine bay durability\u003c\/li\u003e\n\u003cli\u003ePlug-and-play design for quick, reliable installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhether you are performing a complex engine swap or simply replacing a faulty sensor, this adapter harness ensures a secure, weather-tight connection that maintains signal integrity. 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