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Wiring Specialties S13 SR20DET Swap Harness for Nissan 240sx S14

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The Wiring Specialties SR20DET Wiring Harness includes the engine harness for an S13 SR20DET motor installed into any S14 240SX. Each Pre Made Harness will save you time, improve engine performance, give your engine bay a factory look and comes equipped with our Turn Key Start-Up Guarantee!

* For AEM MAP, Apexi, or Haltech conversions, please consider ordering the Pre-made PRO Series version of this harness. 


Engine: S13 SR20DET  

  • Any Redtop from 1990-1993.5 Silvia or 180sx
  • Any Blacktop from 1994-1998 180sx
  • Supports ECU - 62, 63, E5, E4


Chassis: S14 240SX  

  • Non ABS 240sx manufactured in 1995-1998
  • ABS models need to have ABS wiring installed
  • select the ABS option above to have ABS installed


Engine Harness Features:

  • Brand new wiring and connectors
  • Supports the OEM Consult port
  • Installs in 15 minutes
  • Improved grounding routing by addition of internal cross-grounding
  • OEM connector specs (no cheap aftermarket connectors that fall apart)
  • Designed for a factory-like installation and fit and finish for the S14 240sx
  • Retains OEM wiper functionality
  • Retains Cruise Control and all gauge functions
  • Works with the Greddy/Freddy intake manifolds- All A/C, Temp override, Auto On/Off functions properly
  • OEM wiring connections and 'T' junctions. No soldered connections at all
  • Fully tested after production for an easy plug-and-play replacement
  • Replaces the OEM engine harness entirely
  • Will improve engine performance through better grounding and power wiring
  • Turn Key ENGINE START Guarantee 
  • Tech support for our customers 7 days a week.  


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