Tekonsha 119178 Taillight Converter with Integrated Circuit Protection Universal Circuit Protected Taillight Converter with 4-flat connector and 12 in. leads; adapts vehicles with separate turn and stop lights (3-wire system) to standard trailer taillight system (2-wire) Works with either LED and/or incandescent bulbs (vehicle and trailer); does not affect the functionality of the tow vehicle's lights 2.1 amp stop light/turn signal circuit capacity; 7.5 amp taillight circuit capacity; all solid state components in converter; will not work with low-side switch or multiplex systems Integrated re-settable short circuit protection protects the tow vehicle from harmful electrical shorts or incorrect wire connections; features 60 inch car side 4-flat vehicle connector with cover Backed by Tekonsha's 1 Year Limited Warranty