Are you getting these batteries from the same place? Maybe a bad batch? I had a similar situation, but mine ended up being several bad cells within the battery. (had to crank the Yukon every 2 days to remain charged). Would insulating the battery help?
I have a 2010 Yukon SLT with 271k miles. It wasn’t well maintained by former owners and I am slowly getting issues repaired. The history of engine & transmission is unknown.
When the battery died last year, AAA had to break into the vehicle since the driver door lock doesn’t work with a key...
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