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How to use a Multimeter - We Promise it's Easy!

In this blog post, we'll discuss some basic ways to utilize a multimeter to test a few common issues on your Subaru. We carry a very inexpensive but useful multimeter that you can purchase to help with your troubleshooting. We use this in all of our examples, so it would make it...

IAT and PCV Issues with a USDM 2.0 WRX with JDM V7/8/9 WRX and STi Engine Swap

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....

Subaru Hub Swaps and the Effects on ABS and Wheel Speed

In this blog post, we'll talk about the two most common types of wheel speed sensors and how they affect your project, especially in relation to the ABS (anti-lock braking system). It's worth noting that there is a difference between wheel speed and vehicle speed. Check out the end of this...

2004-2008 Forester XT and 2004-2007 STi Comparisons for Swap

In this post, we discuss the similarities and differences between the 2004-2008 Forester XT and the 2004-2007 STi models since many Forester owners are looking to add STi features. Our general recommendation is to retain as many Forester parts as possible to eliminate the wiring changes that would otherwise be required. Wiring...

Thank you for your purchase of one of our Subaru Electrical Connectors!

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...

2015+ WRX Gear Indicator Display Issue with Transmission Swap

So you've just done a DCCD transmission swap in your 2015+ WRX, and the gear indicator on the gauge cluster is not working properly. Not to worry, this is perfectly normal. You may see something like the situation below for the gear display. Gears 1 - 4 show fine Getting...

Intro to Subaru Conversion - Whitney's Wisdom

This blog post is written by Whitney using the notes she's acquired from answering Subaru wiring questions for customers for over seven years.  When it comes to adding new parts to a Subaru, there are a lot of important factors to consider. While the mechanical side is considered "legos," and for the most...

iWire's Best Tips and Tricks for Automotive Wiring

In this blog post, we've curated our best tips and tricks for tackling your Subaru wiring or any automotive wiring.  The most important tip is to find the correct wiring diagrams for your Subaru's model and year. All the wiring information you need for repair or custom projects can be found or figured...