![Aren't they all supposed to drop to zero when it isn't turned on? [4000x3000 - 655KB]](https://pic8.co/sh/ADyGHJ.jpg){kind=link}
02 GMC Yukon XL
02 GMC Yukon XL
Does it have an onstar? Sometimes the GPS units will slowly drain power whether or not you pay for the service
Does it have an onstar? Sometimes the GPS units will slowly drain power whether or not you pay for the service
Yeah
Yeah
I'd look into the onstar GPS antenna draining your battery, or possibly try getting a new alternator and battery
I'd look into the onstar GPS antenna draining your battery, or possibly try getting a new alternator and battery
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