{"product_id":"rywire-l15b7-swap-engine-harness-1-5l-turbo-civic-si-computer-tefzel-tucked","title":"Rywire L15B7 Swap Engine Harness - 1.5L Turbo Civic Si Computer, Tefzel Tucked (L15B7-Base)","description":"\u003cp\u003eRywire \u003cstrong\u003eL15B7-Base\u003c\/strong\u003e is a complete L15B7 swap engine harness for the Honda 1.5L turbo L-series, running the factory Civic Si engine computer with FlashPro. It replaces the factory harness entirely, moves the computer and fuse box out of the engine bay into the passenger footwell, and connects to your car through a Rywire chassis-specific adapter. Built with all-black Tefzel wire in high-heat expandable loom with white ID labels.\u003c\/p\u003e\u003ch2\u003eWhy This L15B7 Swap Harness for Your Honda Build\u003c\/h2\u003e\u003cp\u003eRywire L15B7-Base is a complete L15B7 swap harness that runs the factory Civic Si computer with FlashPro and moves the computer and fuse box from the engine bay to the passenger footwell.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus adapting the factory Civic Si harness:\u003c\/strong\u003e This Rywire L15B7 harness is a full replacement, not a factory-harness adapter. It connects to your chassis through a Rywire chassis-specific adapter instead of spliced body plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus a used donor harness:\u003c\/strong\u003e Donor harnesses are often cut at the body plugs or missing plugs. This Rywire L15B7 harness is built from all-black Tefzel wire in high-heat expandable loom with white ID labels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus a universal flying-lead harness:\u003c\/strong\u003e This Rywire L15B7 harness arrives terminated for the direct injection pump, four direct injectors, drive-by-wire throttle and pedal, both cam sensors and VTC solenoids, wastegate and battery current sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComputer out of the heat:\u003c\/strong\u003e This Rywire L15B7 harness passes through the passenger-side firewall so the computer and fuse box mount in the cabin, away from engine-bay heat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis coverage:\u003c\/strong\u003e This Rywire L15B7 harness has adapters for 1988-2000 Civic, 1988-1991 CRX, 1990-2001 Integra, 2002-2004 RSX\/EP3, 1999-2006 Insight (core required) and RX-7 FD3S, plus race options.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e 2017-2021 L15B7 1.5L turbo swaps on a factory Civic Si computer (37820-5AM-A03 to A05) with FlashPro. Integrating it yourself: choose Mating Connector Only.\u003c\/p\u003e\u003ch2\u003eEngine Swap Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHonda L15B7 1.5L turbo engines, 2017-2021\u003c\/li\u003e\n\u003cli\u003eCivic Si engine computers 37820-5AM-A03 through 37820-5AM-A05 with FlashPro\u003c\/li\u003e\n\u003cli\u003eChassis adapters for 1988-2000 Civic, 1988-1991 CRX, 1990-2001 Integra, 2002-2004 RSX\/EP3 Civic, 1999-2006 Insight and Mazda RX-7 FD3S\u003c\/li\u003e\n\u003cli\u003eAny other chassis through the Other\/Custom\/Race-Style adapter, the Rywire Race Fuse\/Relay Box V3 or the Rywire PDM chassis harness\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFull replacement harness, not a factory-harness adapter\u003c\/li\u003e\n\u003cli\u003eAll-black Tefzel wire in high-heat expandable loom\u003c\/li\u003e\n\u003cli\u003eWhite tag labels for easy installation and service\u003c\/li\u003e\n\u003cli\u003eRuns through the firewall on the passenger side; Rywire recommends mounting the computer in the cabin near the passenger feet\u003c\/li\u003e\n\u003cli\u003eEngine computer and fuse box moved out of the engine bay, away from heat\u003c\/li\u003e\n\u003cli\u003ePrewired for the Rywire Drive By Wire Pedal Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eConnector List\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEngine computer plugs A and B\u003c\/li\u003e\n\u003cli\u003eDrive-by-wire throttle body\u003c\/li\u003e\n\u003cli\u003eDrive-by-wire pedal (Rywire DBW pedal kit)\u003c\/li\u003e\n\u003cli\u003eCrankshaft sensor\u003c\/li\u003e\n\u003cli\u003eIntake and exhaust cam sensors\u003c\/li\u003e\n\u003cli\u003eIntake and exhaust VTC solenoids\u003c\/li\u003e\n\u003cli\u003eMAF\/temperature sensor\u003c\/li\u003e\n\u003cli\u003eCoolant temperature\u003c\/li\u003e\n\u003cli\u003eIntake air temperature and IAT 2\u003c\/li\u003e\n\u003cli\u003eA\/C\u003c\/li\u003e\n\u003cli\u003eCoil packs 1-4\u003c\/li\u003e\n\u003cli\u003eDirect injection pump\u003c\/li\u003e\n\u003cli\u003eFour direct injectors\u003c\/li\u003e\n\u003cli\u003eReverse lockout\u003c\/li\u003e\n\u003cli\u003eKnock sensor\u003c\/li\u003e\n\u003cli\u003eAlternator\u003c\/li\u003e\n\u003cli\u003eReverse lamps\u003c\/li\u003e\n\u003cli\u003eStarter motor\u003c\/li\u003e\n\u003cli\u003eNarrowband and wideband oxygen sensors\u003c\/li\u003e\n\u003cli\u003eOil\u003c\/li\u003e\n\u003cli\u003eWastegate\u003c\/li\u003e\n\u003cli\u003eBattery current sensor\u003c\/li\u003e\n\u003cli\u003eGrounds for head and computer\u003c\/li\u003e\n\u003cli\u003eFuse box for computer and injector power\u003c\/li\u003e\n\u003cli\u003eAdditional factory circuits labeled NC, IPV, PF, ABV, NTRL and Trans\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eChoosing Options\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\n\u003cstrong\u003eVehicle:\u003c\/strong\u003e your chassis, which sets the chassis adapter Rywire builds. Choose Other\/Custom\/Race-Style, Race Fuse\/Relay Box V3 (with or without Switch Panel) or Rywire PDM System for race cars and unlisted chassis, or Mating Connector Only to integrate it yourself. The 1999-2006 Insight adapter requires a core.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eL15B7 swap engine harness, all sensors prewired for OEM components\u003c\/li\u003e\n\u003cli\u003eChassis adapter (or race fuse\/relay box option) for the vehicle you select\u003c\/li\u003e\n\u003cli\u003eFuse box for computer and injector power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhich engine computer does it use?\u003c\/h3\u003e\u003cp\u003eThe factory Civic Si computer with FlashPro. Computers 37820-5AM-A03 through 37820-5AM-A05 should be usable.\u003c\/p\u003e\u003ch3\u003eMy chassis is not listed. Can I still use it?\u003c\/h3\u003e\u003cp\u003eYes. Choose Other\/Custom\/Race-Style, the Rywire Race Fuse\/Relay Box V3 or the Rywire PDM chassis harness, or email us and we will check with Rywire.\u003c\/p\u003e\u003ch3\u003eDoes it work with a drive-by-wire pedal?\u003c\/h3\u003e\u003cp\u003eYes. It is prewired for the Rywire Drive By Wire Pedal Kit (DBW-PEDAL-KIT-EG). Email service@tunedbyshawn.com with your engine, chassis and ECU before ordering if you are unsure which configuration you need.\u003c\/p\u003e\u003c!-- why-faq --\u003e\u003ch3\u003eShould I adapt the factory Civic Si harness or buy a Rywire L15B7 swap harness?\u003c\/h3\u003e\u003cp\u003eThe Rywire L15B7-Base replaces the factory harness entirely, keeps the factory Civic Si computer with FlashPro, and moves the computer and fuse box to the passenger footwell. It connects to your car through a Rywire chassis adapter, so no factory body plugs need splicing.\u003c\/p\u003e\u003c!-- \/why-faq --\u003e\u003cp\u003e\u003cem\u003eFor off-road and competition use only. Not legal for use on pollution-controlled motor vehicles.\u003c\/em\u003e\u003c\/p\u003e","brand":"Rywire","offers":[{"title":"1988-1989 CRX\/Civic DX\/STD","offer_id":67665072619587,"sku":"L15B7-Base-01","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1990-1991 CRX\/Civic DX\/STD","offer_id":67665072652355,"sku":"L15B7-Base-02","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1988-1991 CRX\/Civic Si\/HF\/EX","offer_id":67665072685123,"sku":"L15B7-Base-03","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1992-1995 Civic","offer_id":67665072717891,"sku":"L15B7-Base-04","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1996-1998 Civic","offer_id":67665072750659,"sku":"L15B7-Base-05","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1999-2000 Civic","offer_id":67665072783427,"sku":"L15B7-Base-06","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"2002-2004 RSX\/EP3 Civic","offer_id":67665072816195,"sku":"L15B7-Base-07","price":1700.0,"currency_code":"USD","in_stock":true},{"title":"1990-1991 Integra (USDM)","offer_id":67665072848963,"sku":"L15B7-Base-08","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1992-1993 Integra GS\/RS","offer_id":67665072881731,"sku":"L15B7-Base-09","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1992-1993 Integra GSR","offer_id":67665072914499,"sku":"L15B7-Base-10","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1994-1995 Integra","offer_id":67665072947267,"sku":"L15B7-Base-11","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1996-1999 Integra","offer_id":67665072980035,"sku":"L15B7-Base-12","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"2000-2001 Integra","offer_id":67665073012803,"sku":"L15B7-Base-13","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"1999-2006 Insight (Core Required)","offer_id":67665073045571,"sku":"L15B7-Base-14","price":1650.0,"currency_code":"USD","in_stock":true},{"title":"Mazda RX-7 FD3S","offer_id":67665073078339,"sku":"L15B7-Base-15","price":1635.0,"currency_code":"USD","in_stock":true},{"title":"Other \/ Custom \/ Race-Style","offer_id":67665073111107,"sku":"L15B7-Base-16","price":1635.0,"currency_code":"USD","in_stock":true},{"title":"Rywire Race Fuse\/Relay Box V3","offer_id":67665073143875,"sku":"L15B7-Base-17","price":2025.0,"currency_code":"USD","in_stock":true},{"title":"Rywire Race Fuse\/Relay Box V3 + Switch Panel","offer_id":67665073176643,"sku":"L15B7-Base-18","price":2175.0,"currency_code":"USD","in_stock":true},{"title":"Rywire PDM System","offer_id":67665073209411,"sku":"L15B7-Base-19","price":1550.0,"currency_code":"USD","in_stock":true},{"title":"Mating Connector Only","offer_id":67665073242179,"sku":"L15B7-Base-20","price":1580.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/rywire-l15b7-base-1.jpg?v=1791556100","url":"https:\/\/www.tunedbyshawn.com\/products\/rywire-l15b7-swap-engine-harness-1-5l-turbo-civic-si-computer-tefzel-tucked","provider":"Tuned by Shawn","version":"1.0","type":"link"}