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 Universal harness is perfect for a Classic Datsun 510, 240z / 260z / 280zx, Roadster etc. using the S13 SR20DET engine swap. It was developed in house on an actual S13 SR20DET 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: S13 SR20DET

  • Any SR20DET RWD from JDM S13 Silvia 1988-1993
  • Any SR20DET RWD from JDM S13 180sx 1989-1998

CHASSIS:BMW E46 1999-2006 USING CABLE THROTTLE CONVERSION ONLY

  • BMW E46 1999-2006 including i & ci versions of 316 / 318 / 320 / 323 / 325 / 328 / 330, 330 ZHP & M3
  • Factory Speedometer functions by utilizing the ABS system outputs. As long as this system is properly functional, the speedometer will remain accurate. 
  • Factory Tachometer remains accurate unless number of cylinders changes. Use Dakota Digital SGi-8 if the number of cylinders has changed from factory.
  • A/C wiring utilizes stock BMW fuse box AC relay and wiring. The AC compressor connector must be wired to the chassis’ output AC signal wire.
  • Retains functional alternator charge display, oil pressure display, coolant temperature display, reverse lights and wipers.
  • Factory cooling fans remain functional if that option is selected.

 

PRO-SERIES HARNESS TECHNICAL SPECS

  • Plug and Play – simple and efficient
  • NO CORE HARNESS or additional wiring required
  • OEM wire colors used, where applicable
  • 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
  • Knock sensor connector
  • MAFS connector (OEM or Upgraded)
  • VTC connector (for S14 and S15 models)
  • Boost solenoid connector
  • TPS Connector
  • 4x Injector connections
  • CAM sensor connector
  • 4-pin and 5-pin ignitor chip connectors
  • OEM Oxygen sensor connector (wideband wiring is not part of the EFI harness and needs to be supplied)
  • Ground ring terminal
  • Idle control/fast idle connectors
  • Engine coolant sensor and gauge coolant temp switch
  • Reverse sensor connector
  • Speed sensor connector (Both S13 and S14 connectors are supplied)
  • Alternator connector
  • Starter signal connector
  • OEM oil pressure 1-pin connector (only 1-pin version supplied)
  • Nissan Diagnostics 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

Return Policy

 

All items are subject to a 20% restocking fee on all returnable items within the 14 days of the purchasing date depending on their condition when returned.

If you placed an order and received free shipping but returned an item and you no longer qualify for the free shipping, you, the buyer, are responsible for paying the original cost of shipping and the return shipping cost..

What is a reasonable restocking fee? It is the percentage of the item’s price depending on type of item and condition when it is returned. Our restocking fee is 20%.

Type of Return Request

Restocking Fee Applied?

Buyers changes mind, buyer remorse or price difference

Yes

Buyer refuses delivery

Yes

Buyer returns an item but it arrives to the seller damaged, defective or materially different than what was originally shipped by the seller

Yes

Buyer receives an item materially different from what they ordered

No

Order is returned as undeliverable

No but an amount equivalent to the return shipping costs will be deducted

Items arrive to the buyer damaged or defective

No

Buyer refuses delivery due to visible damage incurred during shipping or caused by the carrier

No