Ok, I was under the impression that some of this could be caused by a faulty negative battery cable so I purchased a new one and was going to put it on. I currently don't have plans to do a dual battery system at this time. Think I should just return the cable?
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Hate to ask a dumb question but I'm going to anyhow. When I replace the negative battery cable, do I actually get rid of the old one completely or just add this one in addition to what is already there?
Any idea what it costs to get this updated? My Denali is showing the same symptoms and has the rear heated seats. Battery goes dead in minutes. I've had alternator and battery tested.
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