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No. The power to illuminate the Daytime Running Lights (DRL's) is supplied by the alternator, and does not have to be supplied by the battery. Once a vehicle is started and the engine is running you could remove the battery from the car entirely and everything requiring current would still operate.
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∙ 15y ago
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Do headlights drain battery?
Yes, headlights drain battery power, but it is only major if you leave them on when you turn the car off, because the car might not start up after a bit.
Could alternator drain battery when car is not running?
If the alternator is installed incorrectly, yes, it can drain the battery.
What draws on the battery when the car is running?
Headlights, And Any other application you have running (ex. Radio).
Can a cigarette lighter drain the car battery if the car is on?
If the car is on (Ignition is on, engine is running) then no. Nothing should drain the battery when the car is running, there is a device called an alternator with a belt that usually goes around the crankshaft that transforms the mechanical energy into electrical energy. As long as you have the car running, the battery should not die. If so, you have a mechanical problem.
Could a dead or dying airbag backup battery drain a main battery when the car is not running?
It might
What would cause the car to keep running once ignition turned off if headlights were still on?
Headlights run off the battery not the ignition...
Does leaving the car on but not driving it anywhere drain the battery?
If the engine is running, then no. The alternator constantly keeps the battery charged.
Will jump starting a dead truck battery drain a car battery?
If the donor vehicle is running and has a properly functioning alternator, no.
Why would Using your Headlights Drain the Battery?
If your electrical system is working as it should, using your headlights will not drain the battery. Of course that is assuming your engine is running. More than likely your alternator is not putting out enough voltage to keep the battery charged with the headlights on. Take your car to a trusted mechanic or auto parts store and have your charging system checked. You may need a new alternator. A loose drive belt can also cause this so make sure the belt is in good working order and adjusted correctly.
Will the Legacy Car Audio LBP22 Subwoofer drain he battery?
The Legacy subwoofer will really drain your battery. It's not a good idea to run it while you're not running the engine.
What can make a battery drain when car is not running?
mainly leaving your lights on when the engine is of or leaving the keys in the ignition
What should you do if your car factory car stereo is draining your car battery?
While the car is running the alternator should be recharging the battery faster than stereo can drain it. I suspect you either have a problem with the alternator or its time to get your battery replaced. Until you get it fixed, if you don't turn on the radio, it wont drain your battery :) If it is a high power model, it needs to be wired directly to the battery.
