In this blog post we highlight TGV (Tumble Generator Valve) connectors for your Subaru engine.  What do TGVs Do? When the engine is at idle, the TGVs close, forcing the incoming airflow through a smaller passage to increase the swirl of the air/fuel mixture, resulting in cleaner engine operation. Subaru...

Subaru Alternator Plug Replacement    What It Does: The alternator plug functions as a trigger to turn the alternator on (via the battery light on the dash) and senses battery charge to determine how much power to output. You can learn more about how alternators by clicking here. How to...

In this blog post we talk about Coil Pack Connectors. In a Subaru engine, the coil packs are part of the ignition system. Their job is to create the high voltage needed for each spark plug to ignite the air-and-fuel mixture inside the cylinder. The basic sequence is: ECU →...

This DIY guide explains how to pin and depin a Subaru connector. Some plugs can become brittle or have corroded terminals, so replace any damaged parts while swapping out plugs.  Our best tip is to have the right tools!  General Depin Tool Kit DBW ECU Depin Tool Kit If you're...