rear wiper motor

Hi all, new wiper motor installed (Old was NFG) this motor works some times and does not work some times Have checked wiring at tailgate grommet and there are no breaks Wiper blade removed and tailgate glass open (switch closed for glass close) while loosening the mounting bolts the motor...

Hi! My 2002 Envoy rear wiper is acting up. Usually when I catch a bump or a road hole, or even with just some vibration the rear wiper begins to make a weird sound (like if it was trying to start wiping and it couldn't), sometimes for long time, or just don't stop at all, and then starts to...

Hello! First time poster here. I just purchased a 2005 GMC Envoy SLE and the rear wiper does not work. Can someone tell me how I would find out if I need to replace the switch or the motor? I'm an amateur here so be gentle....Haha!:)

'02 TB. Am troubleshooting 3rd brake light not working. If I apply 12VDC at connecting socket, it does not light up. Indicates non-working light. Also, I get 0VDC on the other side of the socket --- input to the connecting socket. This is with brake on and other brake lights working...