{"product_id":"oem-1-8t-40-pin-complete-engine-harness-narrowband-wideband-ecus-vw-audi-seat-skoda-mk4","title":"OEM+ 1.8T 40 Pin Complete Engine Harness Narrowband\/Wideband ECU's | VW Audi Seat Skoda MK4","description":"\u003cp\u003e\u003cstrong\u003eSay goodbye to wiring issues in your aging car!\u003c\/strong\u003e If your vehicle is over 20 years old, frayed wires and poor performance are common issues. Unfortunately, Volkswagen no longer produces OEM wiring harnesses for the MK4s and Audi TTs, leaving you with limited options: rely on your faulty harness, attempt repairs yourself, or gamble on another used unit prone to the same deterioration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe offer a superior solution:\u003c\/strong\u003e a brand-new OEM+ replacement wiring harness that is not only more reliable but also more aesthetically pleasing. With braided shielding for a sleek, modern look and individually labeled wires for easy installation, this harness is designed for both DIY enthusiasts and professionals.\u003c\/p\u003e\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM+ Design:\u003c\/strong\u003e Matches the original routing for seamless integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Kit:\u003c\/strong\u003e Includes all connectors with no components removed compared to the OEM unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Constructed with TXL automotive-grade, high-temp wiring, rated above the original equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Perfect for daily drivers and race applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConnector Abbreviations Overview:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e40 Pin ECU Connector: Direct connection to the engine control unit.\u003c\/li\u003e\n\u003cli\u003eIgnition Coils (1-4)\u003c\/li\u003e\n\u003cli\u003eFuel Injectors (INJ1–INJ4)\u003c\/li\u003e\n\u003cli\u003eVSS (Vehicle Speed Sensor)\u003c\/li\u003e\n\u003cli\u003eN75 (Boost Control Solenoid): Needs to be resistored if removed.\u003c\/li\u003e\n\u003cli\u003eIAT (Intake Air Temp Sensor)\u003cbr\u003e\u003cstrong\u003eNote: Compatible with Round or Square Sensor\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTB (Throttle Body)\u003c\/li\u003e\n\u003cli\u003eOIL (Oil Pressure Switch)\u003c\/li\u003e\n\u003cli\u003eCRANK (Crankshaft Position Sensor)\u003c\/li\u003e\n\u003cli\u003eMAP (Boost Pressure Sensor)\u003c\/li\u003e\n\u003cli\u003eECT (Coolant Temp Sensor)\u003c\/li\u003e\n\u003cli\u003eKnock Sensors (KS1, KS2) - \u003cbr\u003e\u003cstrong\u003eNote: Must be 2 Pin Sensors. You can order 2 pin sensors compatible \u003ca href=\"https:\/\/www.fcpeuro.com\/products\/audi-vw-knock-sensor-0261231146\"\u003eHERE\u003c\/a\u003e.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCamshaft Sensor (CAM)\u003c\/li\u003e\n\u003cli\u003eN249 (Wastegate Solenoid)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompatible with the following vehicles:\u003cbr\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e1999 - 2005 - Volkswagen GTI, Jetta, Golf 1.8T - AWD, AWW, AWP (150HP, and 180HP)\u003c\/li\u003e\n\u003cli\u003e1999 - 2005 - Audi TT 1.8T -\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003eAJQ, APE, APP, APX, ARX, ARY, AUM, AUQ, AXX, BAM, BHE, BPY, BUB, BWA, CBB \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003e***Does not fit vehicles with automatic transmissions. Designed for manual 5 or 6 speed transmissions.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRestore your vehicle’s performance with confidence. Whether for daily use or high-performance racing, this OEM+ solution is the ideal replacement for aging MK4 and Audi TT wiring systems.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eOverview Video:\u003cbr\u003e\u003ciframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/5al8tsOCwhA?si=vLGTXsgPetGO7poa\" height=\"315\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cbr\u003e1.8T ME7.5 Wideband Pinout Overview:\u003cbr\u003e\u003cimg\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1315\/4105\/files\/ME7.5_Wiring_Overview-1.jpg?v=1737535357\"\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1315\/4105\/files\/ME7.5_Wiring_Overview.jpg?v=1737535357\"\u003e\u003c\/p\u003e","brand":"Carrot Top Tuning","offers":[{"title":"Drivers Side (225HP TT)","offer_id":48241967366336,"sku":"1.8T-ENG-40P-TT225-EXT","price":595.99,"currency_code":"USD","in_stock":true},{"title":"Passenger Side (Standard)","offer_id":48241967399104,"sku":"1.8T-ENG-40P","price":550.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/7956\/1152\/files\/IMG_9478_1.jpg?v=1777727943","url":"https:\/\/www.vtecinnovations.com\/products\/oem-1-8t-40-pin-complete-engine-harness-narrowband-wideband-ecus-vw-audi-seat-skoda-mk4","provider":"VTI","version":"1.0","type":"link"}