{"product_id":"1-8t-ignition-coil-pack-replacement-harness-v4-high-temp-fiberglass-shielding-1j0-971-658-l","title":"1.8T Ignition Coil Pack Replacement Harness V4 High Temp Silicone Fiberglass Shielding - 1J0 971 658 L -","description":"\u003ch2\u003eVW\/Audi 1.8T Coil Pack Wiring Harness (V4) – High Temp Plug \u0026amp; Play Ignition Upgrade\u003c\/h2\u003e\n\u003cp\u003eDealing with \u003cstrong\u003emisfires, rough idle, or random check engine lights\u003c\/strong\u003e on your VW\/Audi 1.8T? If coils and spark plugs didn’t fix it, the issue is often your \u003cstrong\u003efailing coil pack wiring harness\u003c\/strong\u003e—a well-known weak point on these engines.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eCarrot Top Tuning V4 1.8T Coil Pack Wiring Harness\u003c\/strong\u003e is a complete \u003cstrong\u003eplug-and-play replacement\u003c\/strong\u003e designed to eliminate ignition issues caused by heat-damaged factory wiring. Manufactured using \u003cstrong\u003eOEM-spec connectors\u003c\/strong\u003e and \u003cstrong\u003eextreme high-temp materials\u003c\/strong\u003e, this harness is engineered to outperform and outlast the original or the other units currently on the market.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhy Your 1.8T Coil Harness Fails\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFactory insulation becomes brittle and cracks from engine bay heat\u003c\/li\u003e\n\u003cli\u003eIntermittent wiring causes misfires and ignition breakdown\u003c\/li\u003e\n\u003cli\u003eHeat from turbo setups accelerates harness failure\u003c\/li\u003e\n\u003cli\u003eReplacing coils alone won’t fix underlying wiring issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eV4 Carrot Top Tuning Upgrade\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e800°C Rated Fiberglass Silicone Shielding\u003c\/strong\u003e – Superior heat protection vs standard braided loom from competitors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Length Replacement\u003c\/strong\u003e – Runs all the way back to the ECU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDTM Connector Integration\u003c\/strong\u003e – True plug-and-play connection at the head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec VW\/Audi Connectors\u003c\/strong\u003e – Reliable fit and long-term durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelocated Ground Point\u003c\/strong\u003e – Moved to cylinder head for improved grounding and reduced heat exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eBuilt for High Heat \u0026amp; Performance Applications\u003c\/h3\u003e\n\u003cp\u003eThis isn’t just a replacement—it’s a \u003cstrong\u003ecomplete redesign\u003c\/strong\u003e of one of the most failure-prone components on the 1.8T platform. The upgraded \u003cstrong\u003efiberglass silicone shielding\u003c\/strong\u003e provides exceptional resistance to extreme temperatures, making it ideal for \u003cstrong\u003ebig turbo and top mount setups\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhether you're running a stock setup or a high-performance build, this harness is designed to be \u003cstrong\u003ereliable under any condition\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× V4 1.8T Coil Pack Wiring Harness (Plug \u0026amp; Play)\u003c\/li\u003e\n\u003cli\u003ePre-installed VSS Connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003ePinout Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDriver Side Body Harness Connector:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBlack – Pin 7\u003c\/li\u003e\n\u003cli\u003eOrange – Pin 2\u003c\/li\u003e\n\u003cli\u003eGrey – Pin 3\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eECU Side Connector:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePurple – Pin 102\u003c\/li\u003e\n\u003cli\u003eBrown – Pin 103\u003c\/li\u003e\n\u003cli\u003eBlue – Pin 94\u003c\/li\u003e\n\u003cli\u003eYellow – Pin 95\u003c\/li\u003e\n\u003cli\u003eWhite – Pin 121\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e✔ Compatible with ALL Volkswagen \/ Audi 1.8T engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ Important Notes:\u003c\/strong\u003e\u003cbr\u003e• Not a direct bolt-on for Audi A4 models\u003cbr\u003e• Can be used with minor wiring modification\u003cbr\u003e• Reference OEM part number for additional install guidance if needed\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFix It Right the First Time\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1.8T coil harness is one of the most common failure points\u003c\/strong\u003e on these engines. Stop chasing electrical issues—replace it with a \u003cstrong\u003eproper high-temp solution\u003c\/strong\u003e and restore reliable ignition performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned by enthusiasts for enthusiasts. Built to be bulletproof.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Carrot Top Tuning","offers":[{"title":"Default Title","offer_id":44278091513939,"sku":"1J0971658L-V4","price":170.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1315\/4105\/files\/IMG_9866_7b6ad734-4a40-4c28-848d-9846a5483c80.jpg?v=1774522673","url":"https:\/\/www.carrottoptuning.com\/en-au\/products\/1-8t-ignition-coil-pack-replacement-harness-v4-high-temp-fiberglass-shielding-1j0-971-658-l","provider":"Carrot Top Tuning","version":"1.0","type":"link"}