My husband noticed that the lights being on or off is what determines weather or not the liftgate will open. When the lights are on the liftgate will not open but as soon as the lights are turned off the liftgate opens. Definitely an electrical/wire issue. Thank you.
I came looking for help your issues seem similar to mine. I have a 2007 yukon. The liftgate is not automatic but it started working and not working intermittently. Now the liftgate won't open, the back window won't open. The rear wiper is also not working despite having recently changed the...
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