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Wiring Specialties 1JZGTE Wiring Harness for Nissan Skyline R32

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Pro-Series is ideal for those looking for the best aesthetics, weight savings and reliability. Completely replace your old harness and forget about electrical gremlins. Dress up your bay and take all the pain out of wiring work with this harness.

This Wiring Specialties PRO Series harness was designed from the ground-up, specifically for a JDM model RHD Nissan R32 GTS/GTS-T/GTS-4 with a 1JZGTE NON-VVTI engine swap. It was developed in house on an actual JDM JZ engine to ensure a perfect fit to all engine sensors.

The harness is designed 'Tucked' for a clean installation. The harnesses are built to exceed OEM spec for wire quality and power/ground routing.

Wiring Specialties offers a number of options for common performance upgrades for this product.  Build your perfect harness by selecting from the available options to the right.  

Engine:    JZA70, JZZ30, JZS170 and JZX90 1JZGTE

  • Any non-VVTI 1JZGTE from MKIII Supra
  • Any non-VVTI 1JZGTE from Chaser/Mark II
  • Any non-VVTI 1JZGTE from Soarer/Crown

Chassis:    R32 GTS, GTS-T, GTS-4 Skyline  

  • Any R32 GTS Skyline manufactured in 1989-1994 (Including RWD,  and ABS cars)
  • Retains factory A/C (optional), speedometer (required converter), tachometer, engine temperature gauge, oil pressure sensor, alternator charge light, reverse lights and wipers.


  • Main Engine and Transmission one-piece tucked harness
  • 6x Coilpack connections
  • 6x Injector connections
  • 2x knock sensor connections
  • MAP connector
  • IAT connector
  • TPS connector
  • Boost solenoid wiring (with AEM/Haltech or aftermarket computers)
  • 12-pin and 4-pin igniter chip connectors (relocated to inside the
  • 2x Cam sensor connector
  • Crank sensor connector
  • Idle air motor connector
  • OEM Oxygen sensor connectors (wideband wiring is not part of the EFI harness, except AEM Infinity 6/8)
  • 2x ground ring terminals
  • ECT sensor connector and cluster coolant temp switch connector
  • Reverse lights sensor connector
  • Speed sensor connector
  • Alternator connector
  • Starter signal connector
  • OEM oil pressure 1-pin connector
  • ECU Diagnostics mode connector
  • ** No traction Control wiring retained
  • Printable install instructions with pictures
  • ** Apex’I PFC conversions ONLY include the IAT sensor on the main harness. The MAP sensor is wired separately, from the PFC box directly to the sensor. MAP sensor harness should be purchased with the PFC
  • Turn Key ENGINE START Guarantee
  • Tech support for our customers 7 days a week 



  • Plug and Play – installs in minutes
  • NO CORE HARNESS or additional wiring required
  • OEM wire colors used, where applicable
  • All sensor signal connection  use EM shielded wires
  • Fireproof fiberglass sleeving used in high-temp sections near the manifold & turbo
  • Point-to-Point continuity tested on every wire
  • Constructed using exact OEM connectors and seals
  • Made with high temp TXL wire with adhesive shrink tubing (-40°C/-40°F to +125°C/+257°F operating temperature)
  • Wrapped in lightweight nylon loom (-94°C/-137°F to +125°C/+257°F operating temperature)
  • Fully tested after production for an easy plug-and-play replacement


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