TOP quality HVAC AC Blower Motor Resistor Control Module.Controls the fan speed of your blower motor by changing resistance and limits the current through the blower motor.If your AC is experiencing failure like Fan Only Runs on High or Fan doesn't Work At All,this Blower Motor Resistor is your perfect solution;Fit for 2004-2006 ,2003-2006 Escalade ESV EXT,2003-2006 1500 2500,2003-2006 SSR,2003-2006 1500 2500 3500,2003-2006 1500 2500,2003-2006 ,2003-2006 Trailblazer EXT,2003-2006 Envoy XL XUV,2003-2006 1500 2500 3500,2003-2006 ,2003-2006 XL 1500 2500,please check the fitment in the product description below;4P1516 4P1595 2-BMR34 15-80567 53-69738 BR532 RU-631 20340 RU1321 MT1805 BMR34 JA1639 15-81773 89018778 89019351 19260762 15-80567 52495874 251946786 52416100 22754990 15850268 10325408 10356906 10397570 15827470 15827491 52497491 89018653 89018849 89018964 93803635 93803636 973-508;Direct replacement for a proper fit and easy installation,quality materials usedColour:Black Material:steelSize:10* 10* 6cmPackage Contents:1 Pcs * Blower Motor Resistor ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.