My headlights and radio dont work after I got a new battery


Asked by Jan 12, 2016 at 02:47 PM about the 2008 Chevrolet Malibu LT

Question type: Maintenance & Repair

1 Answer


Sometimes if battery voltage is lost, some modules may have to relearn or be reprogrammed. I looked at your headlamps wiring and the bcm has some control over headlamps. I didn't look at the radio wiring? Some radios will go into lock-down if voltage is lost. It may require a code to unlock radio, if that is the problem? You may have to get code from dealership. I can't rule out other issues? With any component I want to check voltage and ground.

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