{"product_id":"rywire-obd0-vtec-sub-harness-b16a-swap-for-1988-1991-crx-hf-si","title":"Rywire OBD0 VTEC Sub-Harness - B16A Swap for 1988-1991 CRX HF\/Si (sub-obd0-b16)","description":"\u003cp\u003eRywire \u003cstrong\u003esub-obd0-b16\u003c\/strong\u003e adds the circuits a B16A swap needs to a 1988-1991 Honda CRX HF or Si that was never wired for VTEC: the VTEC solenoid, VTEC oil pressure switch, a second oxygen sensor and the knock sensor.\u003c\/p\u003e\u003ch2\u003eWhy This OBD0 VTEC Sub-Harness for Your B16A Swap\u003c\/h2\u003e\u003cp\u003eThe Rywire sub-obd0-b16 adds the VTEC, second O2 and knock circuits a B16A swap needs to a 1988-1991 CRX HF or Si that was never wired for VTEC.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus splicing circuits in yourself:\u003c\/strong\u003e this Rywire VTEC sub-harness adds VTEC solenoid, VTEC oil pressure switch, second O2 and knock sensor wiring as one piece with installation instructions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus a used CRX harness:\u003c\/strong\u003e a used HF or Si harness has the same gap, since neither car was wired for VTEC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersus a full new engine harness:\u003c\/strong\u003e this Rywire VTEC sub-harness keeps your existing engine harness; for a complete replacement, Rywire tucked D\/B-series harnesses offer a 1984-1991 CRX chassis adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e 1988-1991 CRX HF and Si (OBD0) owners doing a B16A swap who want to keep the existing engine harness.\u003c\/p\u003e\u003ch2\u003eEngine Swap Fitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChassis: 1988-1991 Honda CRX HF and Si (OBD0)\u003c\/li\u003e\n\u003cli\u003eEngine: B16A swap\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFeatures\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAdds VTEC solenoid wiring\u003c\/li\u003e\n\u003cli\u003eAdds VTEC oil pressure switch wiring\u003c\/li\u003e\n\u003cli\u003eAdds a second oxygen sensor circuit\u003c\/li\u003e\n\u003cli\u003eAdds knock sensor wiring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOBD0 VTEC sub-harness\u003c\/li\u003e\n\u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhich cars is this for?\u003c\/h3\u003e\u003cp\u003eThe 1988-1991 CRX HF and Si (OBD0) getting a B16A.\u003c\/p\u003e\u003ch3\u003eDoes it replace my engine harness?\u003c\/h3\u003e\u003cp\u003eNo. It adds the VTEC, second O2 and knock circuits to the existing setup. 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\u003eDoes the Rywire OBD0 VTEC sub-harness replace my engine harness?\u003c\/h3\u003e\u003cp\u003eNo. The Rywire sub-obd0-b16 adds the VTEC solenoid, VTEC oil pressure switch, second O2 and knock sensor circuits to your existing setup.\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":"Default Title","offer_id":67665028579395,"sku":"sub-obd0-b16","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0064\/7754\/5539\/files\/rywire-sub-obd0-b16-1.jpg?v=1791556033","url":"https:\/\/www.tunedbyshawn.com\/products\/rywire-obd0-vtec-sub-harness-b16a-swap-for-1988-1991-crx-hf-si","provider":"Tuned by Shawn","version":"1.0","type":"link"}