ECU to Engine Project Harness

$699.99

SKU: PR-BTHR001 iWire Services

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We've made it simple to toss that old beat-up bulkhead harness for your project in the trash.


Not just a used harness freshened up.
We've built this harness with all new components from connectors, wire, and even upgraded sleeving. We adjusted lengths to make any installation application straightforward and tidy.

Engine swaps wiring made easier.
Instead of stripping down a used old harness that likely has seen better days, you can start fresh to merge to your non-turbo bulkhead harness. We have extended the wiring lengths to boost controller, MAF, 02 sensors, and EGT to help with fitment in a GC. We also did a lot of prep work to combine and lengthen groups of wires that need to be merged to the non-turbo chassis wiring to simplify that process. 

Are you working on a Bug, Sandrail, Vanagon, or Porsche project?
The project harness is a great starting point for those with wiring experience. You'll need to wire this harness to your fusing choice and connect it to the chassis wiring. We include the diagrams for the harness, but it does not come with step-by-step instructions. 


Full Walkthrough of the Project Harness


Compatible Engines
2002-2005 USDM WRX (EJ205 without AVCS)
2001-2006 JDM WRX (EJ205 non-immobilized with AVCS)
2001-2006 JDM STi (EJ207 non-immobilized with AVCS)
2004-2005 USDM Forester (Turbo)
2004-2006 USDM STi 
2004-2006 Baja (Turbo)

Click here if you're unsure if your engine will work with our harness.

Click here if you also need the engine harness replaced.


Fitment Notes

FRONT ENGINE SPECIFICATION - INTENDED FOR LEFT-HAND DRIVE CHASSIS ONLY

DOES NOT COME WITH ECU

This is not a replacement for a damaged complete OEM harness (e.g., a 2002 WRX that needs a new bulkhead harness) since the project harness only includes the critical ECU-to-engine wiring. The OEM harness would integrate the body wiring along with the ECU-to-engine wiring into a single harness.

Suggested Uses

Subaru into Vanagon
Subaru into Bug
Subaru into Porsche
Subaru into Kit Car
Subaru into Dune Buggy

PRODUCT WARNING
This kit is designed to modify the electrical systems in your vehicle. Working around electricity can be dangerous and even deadly if proper care is not taken. While iWire takes pride in making our products as simple as possible to use, we still recommend that a professional, qualified technician perform the installation. Any modification to a vehicle that exceeds the original manufacturer's specifications carries an inherent risk of mechanical failure that could result in damage to life or property. iWire is not responsible or liable for any damages that may occur. THIS PRODUCT IS NON-RETURNABLE. By purchasing this product, you agree to these terms of sale.