Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
Left rear window went down but won't go up with either left rear window switch or master switch on driver's door. Other window operate correctly. How does this system operate and how do I diagnosis it