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...

In this blog post we go over the basics of grounding and why it’s important in your Subaru. You can purchase the iWire Grounding Kit by...

In this blog post we talk about the differences between 16 Bit ECUs and 32 Bit ECUs and how these differences affect your swap. We are...

Do good research. Don't trust a person who has never swapped before. Do know what engine you have. Do plan your budget in advance.

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

The 98-01 Impreza and 98-01 Forester have similar interiors but the wiring harnesses are different.

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

If you go with a 2.0 WRX or STi swap, here is a great guide for the entire process with help from our friend Bucky Lasek! Let us first...

We've had a few people ask us about this swap lately so we thought we would share our expertise. This post talks about the nuances of...

DISCLAIMER! WARNING! ALERT! For those who have a dash swap, we are not trying to pick on you. We understand there are many reasons why...

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

If you missed it, check out our Part 1 CAN bus post that explains what CAN bus means and which cars are CAN bus equipped. In this post we...

We get calls and emails all the time about people wanting to swap an EJ20 Subaru engine into their car and we love to help with this!...

What is Subaru OBD? OBD stands for On Board Diagnostics. It refers to a protocol for communication with the ECU. Why do I care if my car...

There can be a lot of confusion about JDM engine codes and version numbers so we thought we would list out what means what. This is a...

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...

This DIY Guide explains how to install a DCCD Controller on a Subaru using our easy to use adapters. Before beginning you will need to...

Speed Density? MAF Plugs? Intake air temperature sensors? It all seems a little confusing, but no fear, iWire is here! Before we get...

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

This DIY guide explains the basics of how to pin and depin a Subaru connector. Some plugs can become brittle or terminals corroded so...