Subaru Coil Pack Wiring Diagram All You Need to Know about Subaru Coil Pack Wiring Diagram The inner workings of a car's electrical system can often be intimidating for owners and mechanics alike. Most will agree that reading and understanding a wiring diagram is a critical skill when troubleshooting an electrical issue. When it comes to understanding the wiring behind a Subaru Coil Pack.. Subaru Coil Pack Wiring Diagram Picture this: You have a Subaru and you suddenly find yourself in need of a new coil pack wiring diagram. You go online to search for one, only to be presented with dozens of confusing diagrams that all look the same! The confusion and difficulty you're experiencing is understandable. After all, Subaru coil pack wiring diagrams can be incredibly technical, and.
Subaru Outback Forums. Here's the tricky part of this, the wiring diagrams only show the wiring *up to* the coil connectors. The problem is in the diagram, the yellow wire is the +12V, but after the connector, on the coil side, the yellow wire turns into the trigger signal.