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Power door locks

Ron-e-g16

By Ron-e-g16
March 20, 2024 in 1999-2013 Silverado 1500 & Sierra 1500

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Ron-e-g16

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Ron-e-g16

Posted March 20, 2024

Posted March 20, 2024

Hello I have a 08 gmc sierra1500 denali. The rear doors will power lock but not unlock. Have changed actuators and master switch. No power to one of the unlock fuses on the right side dash fuse block. Don't remember which one. But don't know what to do next. Don't know where the unlock reley is. Any suggestions appreciated.

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  By davester · Posted 48 minutes ago
  
  And there aren't any "bellows". There are solid plastic doors the actuators move, which largely seal just by themselves, and then have a strip of foam around the edge to better seal the door. The foam does deteriorate over time, but this is unlikely to be a significant cause of the problem.
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