Wiring Specialties WSP-LS1S14-COMBO GM LS PRO PNP Wiring Harness Tucked Nissan S14 Image1
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Wiring Specialties GM LS PRO PNP Wiring Harness Tucked Nissan S14

  • Engine & Tranny harness

  • High temp shrink tubing

  • Only for T-56 Tranny

Wiring Specialties WSP-LS1S14-COMBO GM LS PRO PNP Wiring Harness Tucked Nissan S14
List Price: $649.99
$617.48  Save 5%

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Product Details

Wiring Specialties LS1-LS6 PRO-Series PNP Wiring Harness - Nissan S14


The Wiring Specialties LS1 Wiring Harness includes the engine and transmission harnesses for the LS1 engine installed into any LHD S14 240sx. Get a new, Tucked, Wiring Specialties PRO Series harness to run your V8 Beast and make your swap headache-free!


NOTE: Please select appropriate options for harnes configuration above.



  • NO CORES NEEDED - nothing... sell your OEM harnesses and buy ours
  • Includes a built-in charge harness for alternator charging - Just run the battery cable to the starter
  • Pro Series Construction with TXL High-Temp wire and Adhesive Shrink Tubing
  • TUCKED' designed for cleanest harness routing
  • Includes wiring and relays for Dual OEM LS Fans (just connect to the fans and done)
  • A/C Wiring is available as an Option. Please note that adding A/C to the LSx into 240sx install is not easy and will require custom lines and sensor installation. Wiring Specialties will provide a wiring sub-harness needed for operating the A/C system ONLY.
  • Includes wiring for Oil Pressure, Alternator Dummy Light, Reverse Lights, Reverse Lockout, Skip-Shift Lockout
  • Speeedometer calibration requires SGI-5 Converter
  • Supports the 240sx Tach, no mods needed
  • Supports Nissan Engine Temp gauge wiring (needs to add sensor)
  • Includes OBD2 Consult port
  • Installs in 20 minutes
  • Improved grounding routing by addition of internal cross-grounding
  • OEM connector specs (no cheap aftermarket connectors that fall apart)
  • Retains OEM wiper functionality
  • Fully tested after production for an easy plug-and-play replacement
  • Replaces the OEM engine harness entirely
  • Transmission Harness supports 5-speed and Auto to 5-speed conversions
  • Turn Key ENGINE START Guarantee

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Vehicle Applications

Years Make Model Trim Chassis Engine Notes
1995 - 1998 Nissan 240SX   (S14) KA24DE