Remember Occam's Razor - The simplest answer tends to be the right one. In this blog post we go over some basic diagnostic tips to help...

How to do a Subaru WRX engine swap into a Subaru RS. From engine choice to wiring to install, we go over everything you need to do your swap

Below are the parts, part numbers, and price estimate of all of the pieces purchased for Bucky's 2001-2004 JDM EJ205 with AVCS and a...

Looking to have iWire do a wiring harness merge for your project? Excellent! We're here to help but have a few steps before you send us any

When doing a swap with a CAN equipped single AVCS engine the best way to do this is by swapping out the CAN equipped ECU with an equivalent

When doing a Subaru engine swap you will also need to update the wiring so the new ECU works with the current chassis. There are a few ways

In this blog post we talk about the plugs that are most commonly mixed up or confusing for our merge customers. Below we have pictures of...

This iWire blog post breaks down some basic harness terminology. We hope these diagrams will make it clear exactly which harness is which...

You asked so we delivered. Below is our Video Install Guide on how to install your Subaru wiring harness (wiring loom) in your Subaru. In...

UPDATE AS OF JANUARY 2021. Unfortunately iWire is no longer building harnesses for standalone ECUs to focus on stock ECU applications....