What would drain a truck battery?
What would drain a truck battery? What may drain a car battery when it's off, however, are things such as interior lights, door lights, or even bad fuses. While your engine runs, the alternator recharges the battery — which is why you typically don't have to worry about the battery dying while you're blasting the radio on your drive to work! What should I do about battery drain on my Dodge Ram? Hoping to get some direction on diagnosing a battery drain issue I'm having. I've disconnected the negative lead and hooked a multimeter up between the negative lead and...