{"product_id":"xprite-h4-9003-canbus-decoder-anti-flicker-harness-pair-for-led-headlights-error-code-suppression","title":"Xprite H4\/9003 Canbus Decoder Anti-Flicker Harness — Pair for LED Headlights, Error-Code Suppression","description":"\u003cp\u003e\u003cstrong\u003eThe Xprite Reflex Series H4\/9003 Canbus Decoder is a plug-and-play anti-flicker harness that prevents flicker, error codes, and radio interference when upgrading to LED headlight bulbs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eSwapping factory halogen or failing bulbs for LED can trigger dashboard errors, flickering, or lights that cut out when the engine starts. The Xprite H4\/9003 Canbus decoder is built to address those common electrical issues by conditioning the signal between your vehicle and LED bulbs. Made with a heavy-duty housing and an error-free resistor\/capacitor circuit, this two-piece kit fits H4\/9003 LED headlight and fog light applications and offers a straightforward, reversible installation.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this decoder stop LED flicker and dash errors?\u003c\/h3\u003e\n\u003cp\u003eThe decoder adds the electrical load and signal smoothing some vehicle systems expect from halogen bulbs. Its resistor-capacitor design stabilizes current and absorbs transient spikes so the LED driver sees a consistent voltage and the vehicle computer no longer flags a bulb fault.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResistor and capacitor circuit recreates expected load\u003c\/li\u003e\n  \u003cli\u003eSuppresses voltage spikes that cause flicker\u003c\/li\u003e\n  \u003cli\u003ePrevents OBC\/bulb-out error messages on most vehicles\u003c\/li\u003e\n  \u003cli\u003eReduces radio interference caused by LED drivers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill it fit my car and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThis kit is engineered for H4\/9003 plugs commonly used in headlights and some fog lights; it is not compatible with HID systems. The harness follows a plug-and-play philosophy with direct connectors, so no cutting or splicing is required for typical installations, though tight housings should be checked against the pictured dimensions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect H4\/9003 connectors — no wire modification in most cases\u003c\/li\u003e\n  \u003cli\u003eAll-in-one unit simplifies LED conversion installs\u003c\/li\u003e\n  \u003cli\u003eCompact heavy-duty housing designed for heat dissipation\u003c\/li\u003e\n  \u003cli\u003eSold as a pair to equip both headlight sides\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat problems will I still need to watch for?\u003c\/h3\u003e\n\u003cp\u003eThe decoder resolves many common LED retrofit issues but cannot change mechanical fit or optical alignment of bulbs in housings. Vehicles with unique electrical architectures or proprietary lamp modules may still require model-specific adapters or additional resistors; always verify fit and compatibility before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNot a full headlight assembly — accessory for LED bulbs only\u003c\/li\u003e\n  \u003cli\u003eNot suitable for HID headlight systems\u003c\/li\u003e\n  \u003cli\u003eSome vehicles with advanced monitoring may need OEM-specific solutions\u003c\/li\u003e\n  \u003cli\u003eCheck the pictorial size guide for tight headlight housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Xprite H4\/9003 Canbus Decoder is intended for vehicle owners and installers upgrading to H4\/9003 LED bulbs who encounter flicker, radio noise, bulbs-out warnings, or lights that extinguish when the engine starts. It suits DIYers and professional technicians wanting a durable, plug-and-play fix with improved heat management. If you have an HID system, nonstandard connectors, or an unusual vehicle electrical system, confirm compatibility before ordering or consult customer support for model guidance.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this work with HID headlights?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The Xprite H4\/9003 Canbus decoder is designed only for LED bulbs, not HID systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is installation plug-and-play?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It uses direct H4\/9003 connectors for most vehicles and requires no splicing in typical installs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Xprite","offers":[{"title":"Default Title","offer_id":67588644831417,"sku":"B07SGCHF5B","price":73.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/xprite-h4-9003-decoder-front-view.jpg?v=1790521809","url":"https:\/\/redleafauto.ca\/products\/xprite-h4-9003-canbus-decoder-anti-flicker-harness-pair-for-led-headlights-error-code-suppression","provider":"Redleaf Auto","version":"1.0","type":"link"}