iJDMTOY (2) H4 9003 To H13 9008 Pigtail Wire Wiring Harness Adapters For H4/H13 Headlight Conversion Retrofit Quantity: 1 pair (left side and right side harness) 9003/H4/HB2 male adapters, H13/9008 female adapters Pre-Wired for Plug and Play. No need to modify the stock wires at all For car models such as Ford Chevy Dodge GMC, etc If the high beam and low beam are reversed after using this product, reverse the blue and red wires around by flipping the pins.