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1999 Buick Park Avenue AC stopped working after battery drained

the battery got low from having phone charger plugged in too long, then the indicator lights started lighting up on the dash, the AC wouldn’t get cold, and interior lights wont come on. the car starts fine and the radio works and the headlights work. i replaced the battery, the indicator lights went off, but the interior lights wont come on and the air still wont get cold. it was 105 degrees in Little Rock today…HELP

Disconnecting a battery or to have one be deeply discharged can cause all sorts of problems with computers and modules with vehicles. This explains what can happen.