So cold weather is around the corner for me and last winter my driver side heated seat went out or something!
When I start my truck the light on the button blinks then goes off, when I hit the button nothing happens, the passenger still works, what should I look for or how can I fix it?

 

I would start by taking the time to click on the links below in my signature to download the service manuals and go through the electrical schematics provided to troubleshoot