What makes the battery drain when the ignition is off?

What makes the battery drain when the ignition is off?

Assuming the car is in prefect order, the only drain on the battery, when the ignition is off, is from ancillary systems. Does anyone have an estimate of what the drain is from:

Can a amplifier drain the battery even when the car is turned off?

Posted July 12, 2009. If you’re amp is connected straight to the battery, it will continue to drain it even after the car has been turned off. A in friend of mine simply installed a switch in the line, so that he can cut the power when he turns the truck off.

What can drain energy from a car battery?

Interior Light Left On Failing to fully close a car door or the trunk lid also can drain some of the energy from a car battery after the vehicle’s engine shuts down. The problem generally is not the door or the trunk lid itself, but rather the interior lights that will continue to burn as long as the door or trunk remain open.

Why does my OnStar battery drain so much?

Community Answer In older vehicles running analog Onstar, the system will drain the battery because it is constantly looking for a signal. Onstar no longer offers an analog signal, only digital.

Assuming the car is in prefect order, the only drain on the battery, when the ignition is off, is from ancillary systems. Does anyone have an estimate of what the drain is from:

Posted July 12, 2009. If you’re amp is connected straight to the battery, it will continue to drain it even after the car has been turned off. A in friend of mine simply installed a switch in the line, so that he can cut the power when he turns the truck off.

Community Answer In older vehicles running analog Onstar, the system will drain the battery because it is constantly looking for a signal. Onstar no longer offers an analog signal, only digital.

Interior Light Left On Failing to fully close a car door or the trunk lid also can drain some of the energy from a car battery after the vehicle’s engine shuts down. The problem generally is not the door or the trunk lid itself, but rather the interior lights that will continue to burn as long as the door or trunk remain open.

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