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Dead battery advice?

mld3021
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mld3021 Member

mld3021

Posted
Posted

I have a 2003 C2 Coupe 6 spd with less than 6,000 miles. I put in a new battery a few weeks ago. I have a Passport 8500 radar detector plugged in. Key was not in ignition. The car sat in my garage for 3 days (while I was at Indy 500) and the battery was dead this morning. My last car would last over a week with the radar detector plugged in before the battery died. It seems really odd that a new battery would die so quickly with only a radar detector plugged in. Any advice, other than to unplug the radar detector?

wingless Member

wingless

Posted
Posted

Either the new battery was not fully charged, or there are excessive dark currents drawing the battery down.

Bring the battery to 100% charged to see if it has an acceptable standby time.

It may be that the new battery is bad, but that is not likely. It may be tested with an AC conductance meter.

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