Warning - No aftermarket standalone ECU will pass an emissions test because they do not have OBD2 communications that would be required. December 2024 Update: iWire is no longer offering harness merge services so we can focus on other parts of the business, including iDCCD, plug-and-play harnesses, and replacement electrical...
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Subaru ECU Plugs
In this plug spotlight we talk about ECU Plugs for Subaru cars. These plugs can be hard to distinguish from each other because they are all very similar but the best way to determine what plug you need is by the number of terminal slots. iWire carries a few of...
Female vs Male Terminology for Subaru Plugs
We get a lot of confusion about which plug or terminal is needed based on whether it is female or male. People read a forum post and then purchase the wrong side for their project. We thought we'd do a short post to define what it means when someone says...
Subaru Speed Density Explained
Our friends at Flatirons did an excellent in-depth look at the Speed Density Tuning below. Speed Density? MAF Plugs? Intake air temperature sensors? It all seems a little confusing, but no fear, iWire is here! Before we get started, a quick glossary of acronyms will help: SD - Speed Density...
Plug Spotlight - Impreza Fog Light Plugs
The Subaru Fog Light Plugs and Receptacles make it simple to connect and disconnect your fog lights from the body harness. The only big issue with the fog light plugs is that they change from year to year as well as model to model. We're hoping to create a catalog...
Terminal Order on a Subaru Plug
This DIY guide on Subaru wiring describes the basic breakdown of how to "read" a Subaru plug. The correct terminal order when pinning and depinning a Subaru connector is very important because the wires need to go into the correct slot on the connector for the wiring to be successful....
What is DCCD? It's All About Slip
What is DCCD? DCCD stands for Driver Controlled Center Differential. Explanations for this system are complex and tend to go about like this. Basic Idea Behind DCCD If we put aside the highly technical specifics (and semantics), the core concept is that a DCCD-equipped transmission can adjust the power distribution between...
Subaru Vehicle Speed Sensor (VSS) Part 2
Updating your Transmission? You May Need our iVSS (Vehicle Speed Sensor Replicator) or our iDCCD (Driver Controlled Center Differential for 6 Speed Transmission). Want to know the basics like what VSS means and the different VSS types for manual transmissions? Check out our Part 1 Blog Post. If you are converting from an...