{"product_id":"lm-arcwave-mk4-b5-1-8t-ignition-harness-upgrade-deutsch-serviceable","title":"LM ArcWave MK4 \/ B5 1.8T Ignition Harness Upgrade – Deutsch Serviceable","description":"\u003cp data-start=\"60\" data-end=\"122\"\u003e\u003cstrong data-start=\"60\" data-end=\"122\"\u003eServiceable Deutsch Conversion – Permanent Repair Solution\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"124\" data-end=\"363\"\u003eIf you own a MK4 or B5 1.8T, you’ve seen it before — cracked insulation, brittle wiring at the valve cover, random misfires, and coil connectors that fall apart in your hand. The factory ignition harness simply doesn’t age well under heat.\u003c\/p\u003e\n\u003cp data-start=\"365\" data-end=\"430\"\u003eThis kit is designed to permanently eliminate that failure point.\u003c\/p\u003e\n\u003cp data-start=\"432\" data-end=\"740\"\u003eInstead of replacing the entire engine harness or installing temporary pigtail repairs, this system allows you to remove the damaged section once and convert it to a clean, serviceable Deutsch connection. From that point forward, the ignition harness can be disconnected quickly and reliably whenever needed.\u003c\/p\u003e\n\u003cp data-start=\"742\" data-end=\"795\"\u003eThis is not a patch repair. It’s a long-term upgrade.\u003c\/p\u003e\n\u003chr data-start=\"797\" data-end=\"800\"\u003e\n\u003ch2 data-start=\"802\" data-end=\"824\"\u003eWhy This Kit Exists\u003c\/h2\u003e\n\u003cp data-start=\"826\" data-end=\"1072\"\u003eThe OE 1.8T coil harness becomes brittle over time due to constant heat cycling. The insulation cracks, copper becomes exposed, and misfires begin. Many solutions involve butt connectors and basic pigtails that still leave the harness vulnerable.\u003c\/p\u003e\n\u003cp data-start=\"1074\" data-end=\"1087\"\u003eThis upgrade:\u003c\/p\u003e\n\u003cul data-start=\"1089\" data-end=\"1311\"\u003e\n\u003cli data-start=\"1089\" data-end=\"1126\"\u003e\n\u003cp data-start=\"1091\" data-end=\"1126\"\u003eRemoves the damaged factory section\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1127\" data-end=\"1163\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1163\"\u003eAdds a sealed Deutsch DT connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1164\" data-end=\"1205\"\u003e\n\u003cp data-start=\"1166\" data-end=\"1205\"\u003eInstalls brand new coil pack connectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1206\" data-end=\"1250\"\u003e\n\u003cp data-start=\"1208\" data-end=\"1250\"\u003eProtects the wiring in high-temp mesh loom\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1251\" data-end=\"1311\"\u003e\n\u003cp data-start=\"1253\" data-end=\"1311\"\u003eCreates a clean, professional, serviceable ignition system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1313\" data-end=\"1345\"\u003eCut it once. Service it forever.\u003c\/p\u003e\n\u003chr data-start=\"1347\" data-end=\"1350\"\u003e\n\u003ch2 data-start=\"1352\" data-end=\"1363\"\u003eFeatures\u003c\/h2\u003e\n\u003cul data-start=\"1365\" data-end=\"1780\"\u003e\n\u003cli data-start=\"1365\" data-end=\"1440\"\u003e\n\u003cp data-start=\"1367\" data-end=\"1440\"\u003eBrand new OE-style ignition coil connectors with integrated strain relief\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1441\" data-end=\"1479\"\u003e\n\u003cp data-start=\"1443\" data-end=\"1479\"\u003eHigh-quality automotive-grade wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1480\" data-end=\"1523\"\u003e\n\u003cp data-start=\"1482\" data-end=\"1523\"\u003eSealed Deutsch DT series connector system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1524\" data-end=\"1550\"\u003e\n\u003cp data-start=\"1526\" data-end=\"1550\"\u003eIntegrated ground eyelet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1551\" data-end=\"1620\"\u003e\n\u003cp data-start=\"1553\" data-end=\"1620\"\u003eHigh-temperature braided mesh loom for abrasion and heat resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1621\" data-end=\"1673\"\u003e\n\u003cp data-start=\"1623\" data-end=\"1673\"\u003eProper routing length for MK4\/B5 1.8T applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1674\" data-end=\"1709\"\u003e\n\u003cp data-start=\"1676\" data-end=\"1709\"\u003eClean, OEM+ under-hood appearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1710\" data-end=\"1780\"\u003e\n\u003cp data-start=\"1712\" data-end=\"1780\"\u003eDesigned specifically for longitudinal and transverse 1.8T platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1782\" data-end=\"1785\"\u003e\n\u003ch2 data-start=\"1787\" data-end=\"1805\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"1807\" data-end=\"1948\"\u003e\n\u003cli data-start=\"1807\" data-end=\"1850\"\u003e\n\u003cp data-start=\"1809\" data-end=\"1850\"\u003eComplete 4-coil ignition harness assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1851\" data-end=\"1878\"\u003e\n\u003cp data-start=\"1853\" data-end=\"1878\"\u003eDeutsch connector housing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1879\" data-end=\"1891\"\u003e\n\u003cp data-start=\"1881\" data-end=\"1891\"\u003eWedge lock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1892\" data-end=\"1899\"\u003e\n\u003cp data-start=\"1894\" data-end=\"1899\"\u003eSeals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1900\" data-end=\"1916\"\u003e\n\u003cp data-start=\"1902\" data-end=\"1916\"\u003eTerminals\/pins\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1917\" data-end=\"1948\"\u003e\n\u003cp data-start=\"1919\" data-end=\"1948\"\u003eIntegrated ground eyelet lead\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1917\" data-end=\"1948\"\u003eExtra wiring\/connectors to convert a 10-wire loom to the 12-wire connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1950\" data-end=\"2035\"\u003eEverything required to convert the factory harness to a serviceable connection point.\u003c\/p\u003e\n\u003chr data-start=\"2037\" data-end=\"2040\"\u003e\n\u003ch2 data-start=\"2042\" data-end=\"2066\"\u003eInstallation Overview\u003c\/h2\u003e\n\u003cp data-start=\"2068\" data-end=\"2285\"\u003eInstallation requires cutting the factory ignition harness at a clean section and terminating it into the supplied Deutsch connector. Once installed, the coil harness becomes fully removable via the sealed disconnect.\u003c\/p\u003e\n\u003cp data-start=\"2287\" data-end=\"2375\"\u003eProfessional installation recommended if you are not comfortable with automotive wiring.\u003c\/p\u003e\n\u003cp data-start=\"2287\" data-end=\"2375\"\u003eWe offer installation services for this kit as well. $100- Installation\u003c\/p\u003e\n\u003chr data-start=\"2377\" data-end=\"2380\"\u003e\n\u003ch2 data-start=\"2382\" data-end=\"2392\"\u003eFitment\u003c\/h2\u003e\n\u003cul data-start=\"2394\" data-end=\"2475\"\u003e\n\u003cli data-start=\"2394\" data-end=\"2415\"\u003e\n\u003cp data-start=\"2396\" data-end=\"2415\"\u003eVolkswagen MK4 1.8T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2416\" data-end=\"2475\"\u003e\n\u003cp data-start=\"2418\" data-end=\"2475\"\u003eAudi B5 1.8T\u003cbr data-start=\"2430\" data-end=\"2433\"\u003e(Transverse and longitudinal applications)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2477\" data-end=\"2545\"\u003eIf unsure about compatibility, verify engine code prior to ordering.\u003c\/p\u003e\n\u003chr data-start=\"2547\" data-end=\"2550\"\u003e\n\u003ch2 data-start=\"2552\" data-end=\"2564\"\u003eIdeal For\u003c\/h2\u003e\n\u003cul data-start=\"2566\" data-end=\"2738\"\u003e\n\u003cli data-start=\"2566\" data-end=\"2594\"\u003e\n\u003cp data-start=\"2568\" data-end=\"2594\"\u003eHigh-mileage 1.8T vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2595\" data-end=\"2613\"\u003e\n\u003cp data-start=\"2597\" data-end=\"2613\"\u003eBig turbo builds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2614\" data-end=\"2643\"\u003e\n\u003cp data-start=\"2616\" data-end=\"2643\"\u003eEngine bay refresh projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2644\" data-end=\"2658\"\u003e\n\u003cp data-start=\"2646\" data-end=\"2658\"\u003eEngine swaps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2659\" data-end=\"2686\"\u003e\n\u003cp data-start=\"2661\" data-end=\"2686\"\u003eTrack or performance cars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2687\" data-end=\"2738\"\u003e\n\u003cp data-start=\"2689\" data-end=\"2738\"\u003eAnyone tired of chasing ignition-related misfires\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2740\" data-end=\"2743\"\u003e\n\u003ch2 data-start=\"2745\" data-end=\"2758\"\u003eThe Result\u003c\/h2\u003e\n\u003cul data-start=\"2760\" data-end=\"2933\"\u003e\n\u003cli data-start=\"2760\" data-end=\"2814\"\u003e\n\u003cp data-start=\"2762\" data-end=\"2814\"\u003eEliminates brittle factory wiring at the valve cover\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2815\" data-end=\"2852\"\u003e\n\u003cp data-start=\"2817\" data-end=\"2852\"\u003ePrevents future insulation cracking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2853\" data-end=\"2875\"\u003e\n\u003cp data-start=\"2855\" data-end=\"2875\"\u003eImproves reliability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2876\" data-end=\"2903\"\u003e\n\u003cp data-start=\"2878\" data-end=\"2903\"\u003eSimplifies future service\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2904\" data-end=\"2933\"\u003e\n\u003cp data-start=\"2906\" data-end=\"2933\"\u003eCleans up engine bay wiring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2935\" data-end=\"3042\"\u003eThis kit transforms one of the most common 1.8T failure points into a durable, professional-grade solution.\u003c\/p\u003e\n\u003cp data-start=\"3044\" data-end=\"3084\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eBuilt for reliability. Designed to last.\u003c\/p\u003e","brand":"Losacker Motorsports","offers":[{"title":"Default Title","offer_id":51935205949753,"sku":"LM-AW-0104","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0909\/7743\/5961\/files\/IMG20260212115851.jpg?v=1770926525","url":"https:\/\/losackermotorsports.com\/products\/lm-arcwave-mk4-b5-1-8t-ignition-harness-upgrade-deutsch-serviceable","provider":"Losacker Motorsports","version":"1.0","type":"link"}