Tag: parasitic draw

Your battery is new, the alternator tests fine, but the car is dead every morning. This classic symptom points to a parasitic drain, something in the car’s electrical system drawing power while the engine is off. Every car has a small normal drain from the clock, alarm, and computer modules, but when that drain exceeds… read more

Waking up to a dead battery once is annoying. Waking up to one repeatedly means something in your car is draining power while it’s parked. This is called a parasitic draw, and every car has some (the clock, security system, and key fob receiver all use tiny amounts of power). The problem starts when something… read more