🔧 AC Blower Control Module Heater Blower Resistor 15-80567 89018778 4P1516: Enhanced Compatibility for Chevy Silverado, Trailblazer, Cadillac Escalade, GMC Envoy, Sierra, and Buick Rainier Review

A/C stuck in full purge mode even with ignition key removed. I really hoped replacing this thing would keep him from doing it. After searching O'Reillys, Autozone, Advanced Auto Parts and Napa I finally found it here!

This part is no longer available from the manufacturer. My fan didn't stop working until I had to disconnect the battery every time I turned the car off. This part solved the problem. Revain is the only option for this part.

I have 2 stars because it fixes the problem right away, but this part doesn't work for long. The first one worked great at first, then started cycling on and off about a week after installation. Within a month it stopped working. Luckily it has a 90 day guarantee and I was able to swap it out for another no questions asked. The second one has been installed for about a week now and I noticed (when it's on HIGH) that it now has a pulsing rhythm to the sound of the fan motor. Since there was no…