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Wiring Specialties S13 SR20DET Swap Harness Combo for Nissan 240sx S14

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The Wiring Specialties SR20DET Wiring Harness includes the engine and transmission harness for an S14 240sx with an S13 SR20ET swap. Replace both harnesses with brand new ones and save time and money!


* 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
  • Any Blacktop from 1994-1998 180sx
  • Supports Engines with ECU - 62, 63, E4, E5
  • For ECU code J4/J5 (Type-X III)


Chassis: S14 USDM 240SX  

  • Any USDM S14 240sx manufactured in 1995-1998
  • Transmission Harness supports 5-speed and Auto to 5-speed conversions


Engine and Transmission Harnesses Feature:

  • ALL NEW wiring, connectors and terminals
  • Non ABS 240sx manufactured in 1995-1998
  • ABS models need to have ABS wiring installed - select the ABS option above to have ABS installed
  • Support 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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