Honda 0SA30-HL4-100 Switch Plate/Volt Meter/Wire Harness Honda Genuine Accessories are designed specifically for your Honda vehicle and have the same quality and durability that you've come to expect from Honda. They are covered by the same warranty terms as your vehicle.All-in-one system consolidates your Honda Genuine Accessory electrical needs into a single source.Switch plate mounts conveniently on dash, accommodates four (4) Honda accessories.Precision Volt For use with Honda Genuine Accessories ONLY.Honda Genuine Accessories P/N: 0SA30-HL4-100.