If think switch then might use jumper to check switch is dead... But Don't keep pushing button w/ jam glass or will wreck the switch, motor, etc.
Easiest unplug big connector under A-pillar carpet and put 12V power and ground on heavy wires to door. Only use Quick pulse to start because likely goes down first try.
Remove outer skin to see window and regulator problems.
or might need remove inner inner skin depending exact problem.
See my Cave, Doors
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave