For 1990-2009 cars only
There are only two circuits, supply and ground, required for the garage door opener (GDO). The ground circuit is to a low noise ground point. The supply is from a HOT AT ALL TIMES fuse.
There are only two circuits, supply and ground, required for the garage door opener (GDO). The ground circuit is to a low noise ground point. The supply is from a HOT AT ALL TIMES fuse.