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 Classic Datsun 510, 240z / 260z / 280z, Roadster etc. with the RB25DET NEO engine swap. It was developed in house on an actual RB25DET NEO 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: RB25DET NEO

  • Any RB25DET NEO from R34 1998-2002 Skyline GTS/GTST
  • Any RB25DET NEO from WGNC34 Nissan Stagea

CHASSIS: Classic Datsun

  • Classic Datsun including 510, 240z, 260z, 280zx, Roadster
  • Our Universal PRO harnesses are a perfect solution for the engine, and can come with an optional self-contained pre-wired fuse/relay block for ignition, cooling fans and fuel pump. If you plan on using your own relays and a switch panel, you do not need the fuse block.
  • You just have to hook up start signal, fuel pump wires and a few other wires for tach and speedo, alternator warning light etc.
  • Speedo and / or tach may need to have the signal adjusted using a frequency modulator (see Options to the right). You may have to run aftermarket gauges. Not compatible with mechanical cable driven speedometers.

PRO-SERIES HARNESS INCLUDES

  • Main Engine and Transmission one-piece tucked harness
  • Alternator charge cable
  • 6x Coilpack connections (NEO Specific)
  • 6x Injector connections
  • 2x Knock sensor connectors
  • MAFS connectors (Note: S2/NEO OEM MAFS)
  • TPS connector
  • Boost solenoid wiring with OEM connector
  • Boost sensor 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
 

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