You either have a weak alternator, or a bad battery. The best way to test is to disconnect the neg. battery post while car is running. If the car stalls, you have a bad alternator. If it stays running, it is probably a weak battery. Check the belt as well cause if it's slack, it can cause the lights to go on. Good luck please rate this solution
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You either have a weak alternator, or a bad battery. The best way to test is to disconnect the neg. battery post while car is running. If the car stalls, you have a bad alternator. If it stays running, it is probably a weak battery. Check the belt as well cause if it's slack, it can cause the lights to go on. Good luck please rate this solution