SrWilliams, If the battery is a few years old you may want to replace it. I tried charging my old battery with an 8 amp charger, with an over night trickle charger, and AutoZone tried to charge it too. None of the charges gave the battery enough of a charge to work in my car even though the battery passed a load test. It seems that the Crossfires need a good strong battery. Hope your issue is corrected with an easy battery replacement.