Get ultimate protection for your high-wattage bulbs with this heavy-duty harness. Thick-gauge wiring resists heat and helps bulbs burn brighter. Recommended for use with H9 halogen bulbs.

These harnesses plug in between your Putco LED headlight bulbs and your vehicle to prevent flickering and to prevent a delay when switching between low beams and high beams. Designed for use with Putco H9 halogen-to-LED headlight bulbs.