Jeep Grand Cherokee Window Switch

How Do I Test The Master Switch On This? Sometimes Passenger Windows Work Sometime Not. I Checked The Black Wire It Was Soldered Two Years...

I Think Snow Got In The Passenger Door/window Switch This Week. Now Only The Drivers Door Switch Works, However It Wont Control Any Of The...

My Overhead Display I Believe Called The Evic Module Shows The Options But Next To All Of Them Has A -:-, My Dashboards Dim Switch Does...