AutoMeter Traditional Chrome gauges feature the trademarked competition appearance and rugged reliable performance of a chrome bezel with black dial white numbers and increments bright orange pointers and perimeter incandescent lighting that make this line easy to read with a crisp no-nonsense nostalgic appearance.For classic vehicles running an alternator with a 30 amp output or less this ammeter will provide accurate fast responding information on your vehicles charging activity.Includes: Mounting bracket Installation instructionsMade in USA Important: Installation requires the use of a 10 gauge wire or larger for safe operation.