{"product_id":"h4-led-headlight-canbus-decoder-anti-flicker-error-free-12v-35w","title":"H4 LED Canbus Decoder – Anti-Flicker Error Free, 12V 35W (Pair)","description":"\n\u003ch2\u003eStop the Flicker — Drive with Confidence\u003c\/h2\u003e\n\u003cp\u003eUpgraded to LED headlights only to find your radio cutting out, dashboard warning lights triggering, or your bulbs constantly flickering? The \u003cstrong\u003eH4 LED Headlight Canbus Decoder (1 Pair)\u003c\/strong\u003e is the plug-and-play fix your vehicle needs. Designed for 12V \/ 35W H4 LED headlight systems, these anti-flicker resistor decoders absorb electromagnetic interference at the source, giving you clean, stable light output every single time you turn the key.\u003c\/p\u003e\n\n\u003cp\u003eMade in China.\u003c\/p\u003e\n\n\u003ch3\u003eWhy You Need This Decoder\u003c\/h3\u003e\n\u003cp\u003eModern vehicles use Canbus electronics to monitor every bulb. When you swap halogen bulbs for efficient LEDs, the lower power draw can confuse the system — triggering error codes, flickering lights, or radio interference. These decoders act as a bridge, mimicking the original load so your car's computer stays happy and your LEDs perform flawlessly.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEliminates Flickering:\u003c\/strong\u003e Built-in interference-absorbing circuit prevents annoying LED flicker on Canbus-equipped vehicles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClears Warning Lights:\u003c\/strong\u003e Prevents \"bulb failure\" or error codes from appearing on your dashboard after an LED upgrade.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStops Radio Interference:\u003c\/strong\u003e Resolves radio noise or signal loss caused by LED headlight electromagnetic interference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue Plug \u0026amp; Play:\u003c\/strong\u003e No cutting, splicing, or rewiring — simply connect inline with your existing harness in minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Vehicle Compatibility:\u003c\/strong\u003e Supports the majority of 12V Canbus car models using H4 headlight sockets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Plastic + metal housing built to handle under-hood heat and vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eH4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e35W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePlastic + Metal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003ePackage Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e200 × 140 × 20 mm (7.87 × 5.51 × 0.79 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e170g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e1 Pair (2 decoders)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Pair of H4 LED Headlight Canbus Decoders (2 units total)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePlease Note\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSlight size deviations may occur due to manual measurement methods.\u003c\/li\u003e\n  \u003cli\u003eProduct color may vary slightly from photos due to lighting conditions and monitor settings.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 12V Canbus systems only. Verify your vehicle's headlight socket is H4 before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/100w-dual-port-car-charger-starlink-mini-fast-charging\"\u003e100W Dual-Port Car Charger – Fast Charging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/140w-auto-eject-usb-c-charging-cable-anti-overcharge-battery-guard\"\u003e140W Auto-Eject USB-C Cable – Anti-Overcharge Battery Guard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on vehicle lighting safety standards, visit the National Highway Traffic Safety Administration (NHTSA) or review automotive electrical safety guidelines at CPSC.gov.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Will these H4 Canbus decoders work with my car's LED headlight upgrade?\u003c\/h4\u003e\n\u003cp\u003eA: These decoders are designed for vehicles with 12V Canbus electrical systems using H4 headlight sockets. They are compatible with the vast majority of 12V cars. Simply verify that your vehicle uses an H4 headlight connector and a 12V Canbus system before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need any tools or wiring skills to install these LED decoders?\u003c\/h4\u003e\n\u003cp\u003eA: No tools or wiring experience required. The H4 Canbus decoders are true plug-and-play — just connect them inline between your vehicle's headlight harness and your LED bulb. The whole installation takes only a few minutes per side.\u003c\/p\u003e\n\u003ch4\u003eQ: Will these decoders fix my dashboard error light after installing LED headlights?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, that's exactly what they're designed to do. The decoder mimics the electrical load of the original halogen bulb, preventing your Canbus system from reading the LED as a \"bulb failure\" and triggering dashboard warning lights or error codes.\u003c\/p\u003e\n\u003ch4\u003eQ: Can these decoders also fix radio interference caused by LED headlight bulbs?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The built-in interference-absorbing circuit suppresses electromagnetic noise generated by LED headlights, resolving issues like radio static, signal dropout, or other electronic interference that can occur after an LED headlight upgrade.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Will these H4 Canbus decoders work with my car's LED headlight upgrade?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These decoders are designed for vehicles with 12V Canbus electrical systems using H4 headlight sockets. They are compatible with the vast majority of 12V cars. Simply verify that your vehicle uses an H4 headlight connector and a 12V Canbus system before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need any tools or wiring skills to install these LED decoders?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No tools or wiring experience required. The H4 Canbus decoders are true plug-and-play — just connect them inline between your vehicle's headlight harness and your LED bulb. The whole installation takes only a few minutes per side.\"}}, {\"@type\": \"Question\", \"name\": \"Will these decoders fix my dashboard error light after installing LED headlights?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, that's exactly what they're designed to do. The decoder mimics the electrical load of the original halogen bulb, preventing your Canbus system from reading the LED as a \\\"bulb failure\\\" and triggering dashboard warning lights or error codes.\"}}, {\"@type\": \"Question\", \"name\": \"Can these decoders also fix radio interference caused by LED headlight bulbs?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. The built-in interference-absorbing circuit suppresses electromagnetic noise generated by LED headlights, resolving issues like radio static, signal dropout, or other electronic interference that can occur after an LED headlight upgrade.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"france","offer_id":47710903763049,"sku":"200007763:201336342","price":30.78,"currency_code":"USD","in_stock":true},{"title":"Australia","offer_id":47710903795817,"sku":"200007763:201336099","price":30.33,"currency_code":"USD","in_stock":true},{"title":"spain","offer_id":47710903828585,"sku":"200007763:201336104","price":27.68,"currency_code":"USD","in_stock":true},{"title":"United States","offer_id":47710903861353,"sku":"200007763:201336106","price":37.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sf4112ed334a64071a3a9a37ce149b4cfF.webp?v=1782062735","url":"https:\/\/oasis-select.com\/products\/h4-led-headlight-canbus-decoder-anti-flicker-error-free-12v-35w","provider":"Oasis Select","version":"1.0","type":"link"}