In this post, we talk about what happens with the USDM PCV Diagnosis Connector and the JDM STi Manifold IAT sensor when swapping a 2001-2006 JDM WRX or STi in an 2004-2005 USDM WRX. If you need a replacement engine harness for any of these models, we carry it here....

Please click here for help to depin, splice, and swap Subaru electrical connectors. Our electrical solutions cater to the professional repair shop, the DIYer, and everyone in between. Below are some of our most popular connectors. Coilpack Connectors Alternator Connectors Crank Position Connector Camshaft Position Connectors Mass Air Flow Sensor...

In this blog post, we review cruise control in your Subaru and the options available when doing an engine swap and wanting to retain or add in cruise control.  How Does Cruise Control Work? There are three types of cruise control depending on your type of Subaru. In general, a cruise control...

In this blog post we go over how to identify a plug or receptacle for your electrical project. These tips generally apply to all car makes but we reference Subaru since that's our specialty.  Watch the video below to have Whitney show you what you need to know!

If you go with a 2.0 WRX or STi swap, here is an excellent guide for the entire process with help from our friend Bucky Lasek!   First, there are no truly easy Subaru swaps; every swap has challenges. A lot of work goes into any swap. There are wiring changes, mount...

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 clicking here.   Here is our Owner Brian talking with Flatirons Podcast about the importance of grounding in your Subaru. The most important thing...

This post is a general overview of converting your Subaru transmission from auto to manual. We wish we could offer a product to make this simple, but because of the many changes in Subaru wiring between car models and years, we can't make a product that works for everyone. This works for non-CANbus...

 When putting in a new transmission in their Subaru project, most people think of fitment and engine compatibility but rarely consider the wiring. Don't get stuck with butt connectors, soldering, or, worst of all, leaving them unplugged! To complete your transmission swap, use one of iWire's simple Plug and Play...