{"product_id":"jeep-wrangler-4-0l-1991-1995-haltech-nexus-wiring-harness-bf29215","title":"Jeep Wrangler 4.0L 1991-1995 Haltech Nexus Wiring Harness (BF29215)","description":"\u003cp\u003e\u003cstrong\u003eThe 4.0L inline-six is one of the most reliable engines ever put in an off-road vehicle, and standalone ECU support is how you actually tune it.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Jeep Wrangler 4.0L has a devoted following for its torque, durability, and tractability, but standalone ECU support has been genuinely limited. The \u003cstrong\u003eBoomslang PNP Wiring Harness 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 speeds and loads\u003c\/li\u003e\n\u003cli\u003eThrottle response that's direct instead of over-dampened by aging factory mapping\u003c\/li\u003e\n\u003cli\u003eFuel delivery that stays precise at altitude and in extreme temperatures\u003c\/li\u003e\n\u003cli\u003eEngine behavior calibrated to your actual modifications and use case\u003c\/li\u003e\n\u003cli\u003eA foundation for builds that need more than the factory ECU can offer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eFeatures\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePlug-and-play fitment for 1991-1995 Jeep Wrangler 4.0L, 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 byBoomslang 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\u003e1xBoomslang PNP wiring harness for 1991-1995 Jeep Wrangler 4.0L\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\u003e1991-1995 Jeep Wrangler 4.0L, All Transmission Types.\u003c\/p\u003e","brand":"Boomslang","offers":[{"title":"R3","offer_id":43437440008259,"sku":"BF29215-R3","price":960.0,"currency_code":"USD","in_stock":true},{"title":"R5","offer_id":43437440041027,"sku":"BF29215-R5","price":1120.0,"currency_code":"USD","in_stock":true},{"title":"S3","offer_id":43437440073795,"sku":"BF29215-S3","price":960.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/Boomslang-nexus-wiring-harness-2.png?v=1780677538","url":"https:\/\/www.tunedbyshawn.com\/products\/jeep-wrangler-4-0l-1991-1995-haltech-nexus-wiring-harness-bf29215","provider":"Tuned by Shawn","version":"1.0","type":"link"}