Birmingham AL Posted January 4, 2020 Posted January 4, 2020 Installed a new speaker in my front door and was running the sound system at volume to check for rattles. Ran less than 5-10 minutes when it cut out, nav display went blank and it was dead. Hooked up a battery charger. After 10 minutes I was able to start the car and I was back in business. Does the system pull that much current or do I have a bad battery? I had it checked 2 weeks ago during service and they told me the battery checked out fine. Car seems ti start fine now, as well Any thoughts? Thanks in advance.
mikaelse Posted September 4, 2020 Posted September 4, 2020 Seems you may have a weak battery OR a poorly charged battery due to many very short trip . Check battery voltage with a volt meter when car has been off for a few hours. Google it. Then you get a good grip on charge level. For my battery type . AGM type battery ca 12.60 V means 75% charged. This is about what you should preeferably be at least for the battery to last.
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