RB20DET Wiring Harness for S13 240sx - PRO SERIES

Looking for the best in aesthetics, weight savings and reliability out of your harness?  Our Pro Series harness completely replaces your old OEM harness so you can forget about those electrical gremlins. This Wiring Specialties PRO Series harness was designed from the ground-up to exceed OEM specifications for wire quality, power/ground routing. With our optimized and 'tucked' approach the end result will be a clean and worry free installation with a guaranteed start up. 

This harness is specifically engineered for a USDM S13 240sx (89-94) with the RB20DET Gen 2 engine swap. It was developed in house on an actual RB20DET engine to ensure a perfect fit to all engine connections. 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, and as always - if you have any questions, please reach out to us. 

ENGINE: RB20DET Gen 2 Any Second Gen RB20DET from 1989-1993 Skyline GTS/GTST

• Any Second Gen RB20DET from 1989-1993
• Nissan Laurel or Cefiro 200zx Z31 and Gen 1 model RB20DET are NOT supported (if unsure what you have, CALL US) 

CHASSIS: LHD USDM S13 240sx

Any USDM LHD S13 240SX manufactured in 1989-1994 (Including the Convertible and ABS cars)

• Factory Tachometer use with OEM ECU requires the Dakota Digital SGi-8 Signal Conditioner and requires the DOHC 240SX tach gauge 1991-1994 to be swapped in the cluster for 1989-1990 SOHC KA-based cars.  Add to your order and we will wire it up plug-n-play! AEM Infinity, Haltech Elite, ECU Master and LINK do not need the conditioner box they can do the adjustment internally.
• Factory Speedometer use requires the Dakota Digital SGi-5 Signal Conditioner.   Add to your order and we will wire it up plug-n-play!
• Reverse lights, wipers, Alternator Warning light, engine temp gauge and Oil Pressure Warning light remain functional.

PRO-SERIES HARNESS TECHNICAL SPECS

• Plug and Play – simple and efficient NO CORE HARNESS or additional wiring required OEM wire colors used, where applicable
• All sensor signal connections use EM shielded wires
• Fireproof fiberglass sleeving used in high-temp sections near the manifold & turbo (-40°C/-40°F to +450°C/+845°F operating temperature)
• 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)
• Includes a charge harness and improved grounds
• Fully tested after production for an easy plug-and-play installation

PRO-SERIES HARNESS INCLUDES

• Main Engine and Transmission one-piece tucked harness
• Alternator charge cable
• 6x Coilpack connections
• 6x Injector connections
• 2x Knock sensor connectors
• MAFS connector
• TPS connector
• TPS switch connector
• Boost solenoid wiring with OEM connector
• Boost sensor connector
• Cam sensor connector
• Idle air solenoid connector
• OEM Oxygen sensor connectors (wideband wiring is not part of the EFI harness, except AEM Infinity 6/8)
• 2x ground ring terminal
• Air regulator connector (under intake manifold location)
• ECT sensor connector and cluster coolant temp switch connector
• Reverse lights sensor connector
• Speed sensor connector
• Alternator connector
• Starter signal connector
• OEM oil pressure 2-pin connector (only 2-pin version supplied)
• Nissan ECU Diagnostics mode connector
• Dash and fuse box connections through the Interface harness
• Printable install instructions with pictures
• Turn Key ENGINE START Guarantee
• Tech support for our customers 7 days a week