How To Make A Power Relay / Fuse Block | Automotive Wiring Click to view on Bing13:04How To Make A Power Relay / Fuse Block | Automotive Wiring The Fab Forums. Loading.. Unsubscribe from The Fab Forums? Cancel Unsubscribe. Working.. Subscribe Subscribed Unsubscribe 230K. LoadingAuthor: The Fab ForumsViews: 589K How to Wire a Car Fuse Box | DoItYourself wwwyourself››General Car MaintenanceIn many cases, it's useful for you to know how to wire a car fuse box, especially when adding new electrical components to your vehicle. There are 2 main fuse box locations in a car, 1 is plate near the steering wheel; the other is placed under the hood.