Wiring Harness is made by Bosch of Germany for use with PIAA Auxiliary Lamps as Original Equipment Manufactured for Yamaha but will work with most vehicle makes and models as long as lamps use standard bullet connectors.Bosch Power RelayWaterproof Toggle Switch25 Amp Waterproof FuseThick Protectively Sheathed WiringDesigned for use with 2 Lamps up to 85 Watts EachOriginal Equiment Manufactured (OEM)Made in Germany