Can An Automatic Car Starter Drain A Battery. Starting a car is starting a car and the process of engine ignition doesnt change when you do it remotely. How to determine if an alternator or starter is bad turn the ignition key.

Over the years I have seen this many times. Some people do it every 4-5 years but your car battery. The other knock on remote car starters is that they can damage a vehicles battery.
The other knock on remote car starters is that they can damage a vehicles battery.
Lets get into the details. Only if the solenoids contactors mechanically stick shut which should be obvious because it would be a very high current 50 A which would soon melt the battery cables and likely the starter itself. A faulty or bad starter system can drain your cars battery leaving it useless when in need. If your alternator has a bad diode it will cause your battery to drain.

