Where is the headlight RELAY on a Mazda 3 found the headlight fuse but no relays are tagged for the headlights?

In a Mazda 3, the headlight relay is typically located in the fuse box under the hood. Look for a relay labeled for headlights or headlight control—sometimes it may not be explicitly tagged. If you can't find it there, consult the owner's manual for the specific location and diagram relevant to your model year, as relay configurations can vary. If all else fails, the relay may also be integrated into the headlight switch or module.