{"product_id":"michigan-motorsports-ls1-ls2-ls7-to-ls3-l99-lsa-ls9-zr1-map-sensor-adapter-harness-6-plug-and-play-oem-style","title":"Michigan Motorsports LS1\/LS2\/LS7 to LS3\/L99\/LSA\/LS9 ZR1 MAP Sensor Adapter Harness - 6\" Plug-and-Play, OEM-Style","description":"\u003cp\u003e\u003cstrong\u003ePlug this Michigan Motorsports adapter harness in to let LS1, LS2 and LS7 engines accept LS3\/L99\/L76\/LSA\/LS9 ZR1 MAP sensors (GM #12592525) without cutting or splicing.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you’re swapping engines, adding boost, or updating sensors for improved tuning, this compact 6\" adapter harness offers a direct, OEM-style connection so your LS platform can use later-model GM MAP sensors. Designed for a simple plug-and-play experience, the harness preserves factory wiring integrity and provides a durable, heat-resistant link between your engine’s original wiring and the LS3\/L99\/L76\/LSA\/LS9 ZR1 MAP sensor footprint. That makes it useful for performance builds, supercharger installs, and anyone who wants accurate manifold absolute pressure readings from a modern GM sensor.\u003c\/p\u003e\n\n\u003ch3\u003eHow simple is installation for a home mechanic?\u003c\/h3\u003e\n\u003cp\u003eVery straightforward: the harness uses matching OEM-style connectors so you don’t need to cut, splice, or fabricate adapters. Installation typically takes only a few minutes once you locate the MAP sensor connectors on your intake or firewall harness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit connectors matched to factory sensor plugs\u003c\/li\u003e\n  \u003cli\u003eNo wiring changes required—plug into the factory harness and the sensor\u003c\/li\u003e\n  \u003cli\u003e6-inch length for flexible routing in tight engine bays\u003c\/li\u003e\n  \u003cli\u003eIdeal for quick swaps and test installs without permanent wiring edits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with boosted and high-horsepower engines?\u003c\/h3\u003e\n\u003cp\u003eYes — the harness is built from heat-resistant, high-durability materials intended for tough engine-bay conditions typical of performance vehicles. It simply adapts the electrical connection; proper sensor selection and tuning are still needed for higher boost or modified engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable insulation resists heat and vibration\u003c\/li\u003e\n  \u003cli\u003eSupports LS9 ZR1 MAP sensors often used in forced-induction setups\u003c\/li\u003e\n  \u003cli\u003eHelps maintain accurate MAP readings for fuel and ignition tuning\u003c\/li\u003e\n  \u003cli\u003eNo degradation of signal when properly installed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich GM models and sensors does this adapter support?\u003c\/h3\u003e\n\u003cp\u003eThe adapter lets earlier LS engines (LS1, LS2, LS7) accept MAP sensors from later GM variants including LS3, L99, L76, LSA, and LS9 ZR1; it’s specifically wired for GM part number 12592525 compatibility. That gives you access to sensor footprints and calibration options from newer platforms without altering the original wiring harness.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible source engines: LS1, LS2, LS7\u003c\/li\u003e\n  \u003cli\u003eTarget sensors: LS3, L99, L76, LSA, LS9 ZR1 (GM #12592525)\u003c\/li\u003e\n  \u003cli\u003eMaintains factory electrical plug types for easy swapping\u003c\/li\u003e\n  \u003cli\u003eUseful for swaps, rebuilds, and retrofits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat else should I know before buying?\u003c\/h3\u003e\n\u003cp\u003eThis adapter converts connector types; it does not change sensor calibration or ECU logic. Ensure your engine management or tuner recognizes the selected MAP sensor’s range and scaling, and consult your tuner if you’re using non-stock boost levels or aftermarket ECUs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDoes not alter sensor calibration—tuning may be required\u003c\/li\u003e\n  \u003cli\u003eIdeal as a non-destructive way to test or upgrade sensors\u003c\/li\u003e\n  \u003cli\u003eRecommended for performance shops and DIY builders alike\u003c\/li\u003e\n  \u003cli\u003eCompact, serviceable design that’s easy to remove or replace\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This Michigan Motorsports MAP sensor adapter harness is suited to DIY enthusiasts, professional tuners, and performance builders doing LS swaps or forced-induction upgrades who need a reliable, OEM-style connector solution. If you want to fit modern GM MAP sensors to an earlier LS engine without cutting factory wiring, and keep installation quick and reversible while preserving signal integrity for tuning, this adapter is a practical, low-cost tool for your build.\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 adapter require cutting my factory wiring?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It uses OEM-style connectors for a plug-and-play connection with no splicing required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will I need to retune after fitting a different MAP sensor?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Often yes. Sensor scaling may differ, so tuning or ECU configuration is recommended for accurate readings.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Michigan Motorsports","offers":[{"title":"Default Title","offer_id":55163380040023,"sku":"B07BCL1P35","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/michigan-motorsports-adapter-harness-front-view.jpg?v=1790343715","url":"https:\/\/britishgarage.co.uk\/products\/michigan-motorsports-ls1-ls2-ls7-to-ls3-l99-lsa-ls9-zr1-map-sensor-adapter-harness-6-plug-and-play-oem-style","provider":"British Garage","version":"1.0","type":"link"}