Replacement 3-PIN AC Blower Motor Resistor - Controls the fan speed in your AC and heating system. If you can no longer adjust the air speed with your AC controls or your AC system no longer blows chances are you need a new Blower Motor Resistor. The AC Blower Motor Resistor is located on lower passenger side dash and is easily accessible by removing a few screws. Compatible Replacement for Chevrolet, Cadillac, GMC, Buick & Oldsmobile Vehicles With Auto A/C Controls - 2004 - 2006 Rainier 2003 - 2006 Escalade 2003 - 2006 Silverado 1500 2003 - 2006 Silverado 2500 HD 2003 - 2006 Trailblazer 2003 - 2006 Avalanche 1500 2003 - 2006 Suburban 1500 2003 - 2006 Sierra 1500, Yukon, Envoy 2003 - 2004 Bravada & more. Works on models with automatic temperature control. See below for full vehicle list.. Replaces Part# 1580567, 93803636, 52413530, 89018778, 4P1516, 52409643, 20340, 15-80567, 52495874, MT1805 RU-631 JA1639 BMR34 - Located under the dash panel on the passenger side. Simply remove the screws, unplug the electrical connector on the resistor and the pigtail that secure the blower motor resistor from the blower, remove the resistor or heater control relay assembly, and install the new resistor in place.. OEM Fit, Quality, Finish - All mounting ports and sockets on the resistor are identical to your factory part. Save hundreds of dollars off of dealer prices by purchasing this part. While this is NOT a genuine OEM part it is a direct replacement and it will appear, fit and work like the factory part. Fits popular models with year models 03, 04, 2005, 05, 06..
