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What is your question?
My engine won't turn over but my headlight is dim. my radio doesn't come on. how can I tell if its the battery or the alternator
1 Reply
Check the voltage at the battery when you are trying to start it. When you crank it, the voltage should not drop below 10 volts, or the batteyr is dead. Now, if your battery is dead, you still may have a problem with your alternator, but get the car running first and then we can test the alternator. Good Luck!