The OP is likely still looking for a solution, since he's not been on here since Jan 2022. I suggest starting a new thread in the correct section for your model year.
2016 DENALI/Battery drain/SERVICE Trailer Brake System
- Thread starter Eelimak
- Start date
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The OP is likely still looking for a solution, since he's not been on here since Jan 2022. I suggest starting a new thread in the correct section for your model year.
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