{"product_id":"michigan-motorsports-gm-ignition-coil-harness-connector-for-lq9-lq4-ls2-ls3-ls7-truck-applications","title":"Michigan Motorsports GM Ignition Coil Harness Connector for LQ9\/LQ4\/LS2\/LS3\/LS7 – Truck Applications","description":"\u003ch2\u003eReliable replacement for aging GM ignition harnesses\u003c\/h2\u003e\n\u003cp\u003eOver time, stock ignition coil harnesses can become brittle, crack, or lose connectivity. Michigan Motorsports offers a direct replacement crafted to fit a wide range of GM V8 truck engines. This harness replaces GM 89017477 in many applications, helping keep ignition wiring organized and protected under the hood.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this fits\u003c\/h3\u003e\n\u003cp\u003eDesigned for GM LQ9, LQ4, LS2, LS3, LS7, LSX engines and the coil packs used on most trucks. The kit includes two harnesses for a full set, which aligns with the common approach for dual-bank installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacement for 89017477\u003c\/li\u003e\n  \u003cli\u003eCompatible with LQ9\/LQ4 and LS family coil packs\u003c\/li\u003e\n  \u003cli\u003eFits 4.8L, 5.3L, 6.0L, 6.2L, 7.0L configurations\u003c\/li\u003e\n  \u003cli\u003eIncludes two harnesses for a complete set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurability and fit\u003c\/h3\u003e\n\u003cp\u003eThe new harness kit uses robust wiring and connectors designed to withstand under-hood heat and vibration. It aims to reduce brittle failures and deterioration common with aging OEM harnesses, helping maintain clean connections in challenging environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit connectors for straightforward installs\u003c\/li\u003e\n  \u003cli\u003eClear color-coded wire guidance during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eColor-coded wiring and installation tips\u003c\/h3\u003e\n\u003cp\u003eColor-coded information helps map the second wire on the coil connector to the correct firing sequence. Purple goes to cylinders 1 or 8, Red to 2 or 7, Blue to 3 or 6, and Green to 4 or 5. Record the color scheme before wiring for reference.\u003c\/p\u003e\n\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eIn practice, a refreshed harness can restore reliable coil-to-spark connections, improve wire routing, and reduce the risk of unplugged or loose connections during service or driving. Benefits are described as possibilities rather than guarantees, depending on vehicle condition and installation accuracy.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNotes for use\u003c\/strong\u003e: Choose quantity 2 for a full set on two banks. Follow factory routing and avoid exposure to excessive heat during installation. This kit provides a practical option for owners looking to refresh aging wiring and maintain a clean under-hood setup without altering engine electronics.\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: What engines and coil packs does this harness fit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Fits GM LQ9\/LQ4, LS2\/LS3\/LS7\/LSX, and most truck coil packs; verify compatibility with your setup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Should I buy more than one harness?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The listing suggests choosing quantity 2 for a full set across two banks; installation guidance is included.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Michigan Motorsports","offers":[{"title":"Default Title","offer_id":42470989693013,"sku":"B06Y2FJ414","price":67.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/michigan-motorsports-ignition-coil-harness-connector.jpg?v=1778159336","url":"https:\/\/plentytorque.co.uk\/products\/michigan-motorsports-gm-ignition-coil-harness-connector-for-lq9-lq4-ls2-ls3-ls7-truck-applications","provider":"PlentyTorque","version":"1.0","type":"link"}