How To Check What's Draining My Car Battery. The check battery light is being indicated on your dashboard. That means your battery is fully charged.
Grab your prongs red goes to positive black goes to negative. In this video I show how to determine the amount of current that is being drawn from the car battery while your car is turned off. A failed diode in the alternator creates a closed circuit that drains your battery even when the engine is off.
You find the right size and power for your vehicle and take whats.
You find the right size and power for your vehicle and take whats. A failed diode in the alternator creates a closed circuit that drains your battery even when the engine is off. In this video I show how to determine the amount of current that is being drawn from the car battery while your car is turned off. If the battery test shows that it is still good then its time to start looking at a parasitic power draw.
