Upgrade your Grand Marquis with this blower motor resistor kit from Dorman. The kit comes with everything you need, including a wiring harness, to make installation a breeze. The metal construction ensures durability and reliability for years to come. This direct fit kit replaces the superseded part number 6W7Z19E624A and fits perfectly on the dashboard. California residents should be aware of the warning regarding chemicals in the product. With its bracket mount or bolt-on options, this blower motor resistor kit is a great addition to your HVAC system.