This iWire blog post breaks down some basic harness terminology. We hope these diagrams will make it clear exactly which harness is which and the harnesses needed to complete your merge. Subarus are a bit different from most cars. With most manufacturers the ECU to engine wiring harness is all...
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Subaru Test Mode
This blog talks about Test Mode in a Subaru. Test mode is a diagnostic mode that is used to test all of the basic functionality that the ECU controls like fuel pump and radiator fans. How do I know if my Subaru is in test mode? The simplest way...
Subaru Project Do's and Don'ts
iWire has been a part of a few thousand Subaru project over the years. We thought it would be a good idea to give some general tips to people doing Subaru projects of their own. Below are some do's and don'ts that we recommend for almost every Subaru project whether...
Subaru Flex Fuel Explained
This post is a bit outdated since the Cobb Green Speed Update. There are some alternative companies to Cobb that make flex fuel kits for the GD era models. In this blog post we talk about Flex Fuel specifically for Subaru 2.0 Liter 16 bit ECU platforms. For the 32...
Subaru Dash Swap Guide
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 people would do it, but we have our reasons for why not to do it. iWire has wired GC swaps in every imaginable way and...
Subaru Crossmember Information
In this blog post we discuss the things to consider when swapping the crossmember (also called X-member) during your Subaru engine swap. Learn more about how to do this in our swap guide video on the Buck Yeah Channel The thing to note here is that the crossmember, steering rack,...
Rear Differential and Your Transmission Swap
This post talks about the rear differential (rear diff) temperature sensor. We explain what it does and how it can effect a transmission swap or aftermarket DCCD controller install as well as differentiate between the two types for those who just need a replacement on a STi. What is...
Plug Spotlight - Gas Tank Plugs
In this post we go over the various types of gas tank plugs in a Subaru. Like most plugs, Subaru has changed the plug type for different features and availability. Below we have images as well as a description of which cars the plug is compatible with. Gas Tank Plugs...