New battery goes flat overnight
You have a short circuit somewhere. But first look for some sort of light or something that is drawing power.
You probably either have a light staying on (like glove box or trunk) or if you have any aftermarket accessories (like an alarm/remote start, radio or dvd player) they might not be wired correctly.
The problem was ign key
The problem was ign key turned. To far ass were left on
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