S14 SR20DET Swap Wiring Harnesses | Wiring Specialties S14 SR20DET wiring harnesses available in a variety of plug and play applications. No cores required. Startup guaranteed. Made in USA. SR20DET Harness | eBay used wiring specialties s13 sr20det into s14 240sx. also apexi avcr harness wired in. comes with apexi avcr boost controller. the solenoid is brand new, never used all otjer parts used in good working..