{"product_id":"haltech-nexus-r5-toyota-tundra-3ur-fe-toyota-tundra-3ur-fbe-2018-2021-plug-n-play-adapter-harness-kit-ht-651067","title":"Haltech Nexus R5 VCU \u0026 Toyota Tundra 3UR-FE | Toyota Tundra 3UR-FBE 2018-2021 Plug 'n' Play Adapter Harness Kit (HT-651067)","description":"\u003cp\u003e\u003cstrong\u003eStandalone ECU support for the Tundra 3UR-FE is rare, and this harness is how you get there without compromising your factory wiring.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Toyota Tundra 3UR-FE runs a proven, torque-focused engine that responds to proper calibration, but aftermarket standalone ECU support for this platform has been limited. The \u003cstrong\u003eTuned By Shawn PNP Wiring Harness Kit for the Haltech Nexus\u003c\/strong\u003e connects directly to your factory harness without any permanent modifications, giving the Haltech Nexus full standalone engine control. No cutting, no splicing, fully reversible.\u003c\/p\u003e\n\u003ch4\u003eAdvantages\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTorque delivery that's accurate and consistent at all load levels\u003c\/li\u003e\n\u003cli\u003eThrottle response calibrated to your actual setup, not Toyota's factory baseline\u003c\/li\u003e\n\u003cli\u003eFuel trims that stay stable regardless of temperature or altitude\u003c\/li\u003e\n\u003cli\u003eEngine behavior that matches your modifications rather than fighting them\u003c\/li\u003e\n\u003cli\u003eA foundation for builds the stock ECU simply cannot support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 2018-2021 Toyota Tundra 3UR-FE, all transmission types\u003c\/li\u003e\n\u003cli\u003eCompatible with Haltech Nexus R3, R5, S2, and S3 ECUs\u003c\/li\u003e\n\u003cli\u003eNo cutting or splicing of factory wiring\u003c\/li\u003e\n\u003cli\u003eOEM-quality connectors, USA-built by Boomslang Fabrication\u003c\/li\u003e\n\u003cli\u003eFully reversible, factory harness preserved\u003c\/li\u003e\n\u003cli\u003eFor competition and off-road use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThe Details\u003c\/h4\u003e\n\u003cp\u003eBuilt specifically for this vehicle's connector layout with OEM-spec connectors and correct wire gauge throughout. Your factory harness stays completely untouched and the vehicle can return to stock at any time. In automatic transmission applications, the factory ECU remains in parallel for transmission control while the Haltech Nexus manages the engine.\u003c\/p\u003e\n\u003ch4\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Boomslang PNP wiring harness for 2018-2021 Toyota Tundra 3UR-FE\u003c\/li\u003e\n\u003cli\u003eHaltech Nexus ECU sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cp\u003e2018-2021 Toyota Tundra 3UR-FE \/ 2018-2021 Toyota Tundra 3UR-FBE, All Transmission Types.\u003c\/p\u003e","brand":"Tuned By Shawn","offers":[{"title":"Default Title","offer_id":43447239016515,"sku":"HT-651067","price":6176.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Nexus_R5.webp?v=1782228019","url":"https:\/\/www.tunedbyshawn.com\/products\/haltech-nexus-r5-toyota-tundra-3ur-fe-toyota-tundra-3ur-fbe-2018-2021-plug-n-play-adapter-harness-kit-ht-651067","provider":"Tuned by Shawn","version":"1.0","type":"link"}