Wiring Specialties RB25DET 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 (1989-1994) with the RB25DET engine swap. It was developed in house on an actual RB25DET engine in an S13 240sx 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: RB25DET Series 1 or Series 2

• Any RB25DET S1 or S2 from 1994-1998 Skyline GTS/GTS-T
• Any RB25DET from Nissan Stagea (non-NEO)

CHASSIS: LHD USDM S13 240sx

• Any USDM LHD S13 240SX manufactured in 1989-1994 (Including the Convertible and ABS cars)
• Factory Tachometer use requires the DOHC 240SX gauge 1991-1994 on 1989-1990 SOHC cars. Manual tach adjustment via potentiometer required if changing number of cylinders from original engine.
• Factory Speedometer use requires the original factory speed sensor to be used in the new transmission.
• Reverse lights, wipers, Alternator Warning light 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 (S1 or S2 as per the selected options)
• 6x Injector connections
• 2x Knock sensor connectors
• MAFS connectors (Note OEM MAFS option includes both S1 and S2 connectors)
• 2x TPS connectors (The harness includes the S1, S2 and Q45-S1 connectors)
• Boost solenoid wiring with OEM connector
• VTC connector
• Cam sensor connector
• Crank sensor connector
• Idle air and fast idle connections
• 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

Vehicle Fitments: