Does radio still work with dead battery?
Dead Battery The battery in your vehicle supplies power to all electrical components, including lights, radio, door locks and ignition. You can also check whether your windshield wipers, radio, heat/AC or headlights work.
How do you change a car battery without losing the radio code?
Put the clamp back in place and tighten the bolt (s) that hold it in place. Fire up the car to ensure that the new battery has been successfully fitted. Now try the radio. If you have follwed this guide correctly, the power to your radio will not have been cut and your radio will not require programming with the radio code.
Can a fully charged battery run a radio?
Those wacky Germans! A fully charged battery will run the radio for days and still have enough power to start the car. The radio probably isn?t the problem; it could be a symptom though. I would start at the beginning and verify the battery is good. Also, have your mechanic check the battery cables with a volt meter.
Why is my car radio not working after battery installation?
The clock on the radio interface had been reset to 12:00 when they disconnected the battery, but I could not reset the clock to the appropriate time after installation. After doing some research, I came up with two scenarios to look into:
What should I do if my car battery loses power?
If proper battery replacement practices were followed then the radio, clock, or anything else on the car would never have lost battery power. There are a few rules for replacing a battery: Always make sure the radio and any other electrical devices are switched off before beginning.
The clock on the radio interface had been reset to 12:00 when they disconnected the battery, but I could not reset the clock to the appropriate time after installation. After doing some research, I came up with two scenarios to look into:
Those wacky Germans! A fully charged battery will run the radio for days and still have enough power to start the car. The radio probably isn?t the problem; it could be a symptom though. I would start at the beginning and verify the battery is good. Also, have your mechanic check the battery cables with a volt meter.
What to do when your stereo resets to factory?
Make sure you have a permanent fused positive directly from the battery and not from your fuse box or elsewhere in the line before the ignition. With a separate line there should be no problem with drain through the system, but make sure the terminal has a good connection to the battery terminal. Make sure you also have a good direct chassis earth.
If proper battery replacement practices were followed then the radio, clock, or anything else on the car would never have lost battery power. There are a few rules for replacing a battery: Always make sure the radio and any other electrical devices are switched off before beginning.