Husky Tail Light Isolators (Diodes), 3/CardProvides a safe and convenient way to use factory lights on towed vehicles while protecting sensitive electronics from voltage feedback.• Permanently installs on tow vehicle, near tail lights.• Heavy duty, 30-amp rating.• Aluminum heat sink prevents diode failure caused byoverheating.• Easy installation: includes connectors and adhesive mounting pad. Model # StartMFG# 39871 UPC# 088805398713Model # End