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Why is the parking light draining the car battery?

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2008-09-21 12:49:35
2008-09-21 12:49:35

If the parking lights are on when the car is off its probably a switch issue.

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Something is on draining your battery overnight. Any light or any relay. It can also be your battery has a dead cell draining it overnight.


There is an easy way to find out what is draining the battery on your car. Disconnect the positive or negative battery terminal. Not both. Connect a test light between the post of the battery to the cable end of the battery. If your car is draining the batt ery the light will show it. To find out where the drain is coming from just pull fuses until the light goes out. Then you will know what is draining the battery by the function of the fuse you just pulled. For example, if you pulled the fuse for "radio" and the light went out you would know the radio is drawing the current off your battery.



The brake light switch is broken or out of adjustment. Park the car and pull the fuse to keep the battery from draining dead until you can get it fixed.


Turning Parking Lights ON while Charging BatteryNO, it serves no purpose other than to reduce the life of the parking light bulb filaments, and to cause the battery to have to be charged longer.


you possibly have something draining the battery when the car is shut off, with the car shut off pull the positive cable off the battery and then just touch the cable to the positive post of the battery and see if you get a spark, if you get a spark you have something electrical draining the battery.


many things can do it suck as junk battery, junk alternator , or leaving anything on in the car


If your battery is good and you know your car is draining it then yes, disconnecting your battery from your car will keep your battery charged for much longer than 3 days. Your battery should stay charged way longer than 3 days in normal conditions being hooked up to your car. You should get it checked out and figure out what is draining your battery so fast.


Putting the lights on, listening to the radio or anything else that is plugged into the car.


your alternator ain't charging your battery or a bad connection draining the battery


As far as my experience is concerned, car batteries lower down either because of lack of battery water or due to not properly charging the battery. Check out whether these problems may not be occurring with your battery or consult with an auto electrician or you can know more about this from the following link. --------- You may want to check that your battery has a load on it, which is to say that something is on and draining your battery. Check to see if the glove box light,trunk light or underhood light is staying on. A simple test is to make sure the battery is fully charged, either by driving the car or charging the battery for a few hours. Then disconnect the battery overnight. If the battery is strong when you re-connect it the next day then the battery is not at fault. You have a "draw" somewhere. In other words - something is draining the battery.


When your parking light stays on after you shut off the car, it is likely that the relay on that circuit stayed on. Disconnect the battery for 10 minutes or so and then reconnect it.


Park brake light - might mean the e-brake pedal is slightly moved down to initiate light. Battery light - means the alternator is bad or battery bad etc. Parking brake light also comes on when the brake fluid runs low... This happened on a 2003 kia Rio the next day the car died it is either because of a bad battery, alternator or alternator fuse


If the electic window motor in your car is draining your battery when the car is turned off, then you have more serious problems than figuring out how to disable it. I suggest you have your mechanic check the electrical system in your car. Most likely point of failure is in the switch.


Referring to a car battery, a current drain is the power draining out of the cell.


Check your earth (ground) connections battery to chassis & battery to engine / gearbox.


Dead battery, Alternator not charging, Ignition off draw draining battery,.............



Check the parasitic load on the battery should not exceed .07 amps. Disconnet - side of battery and connect test light in series w/it. (light will illuminate if excessive current flow) Pull each fuse one at a time until light goes out. At least that will tell you which circuit is draining battery. The newer cars are supposed to maintain battery life (with a fully charged battery) for 21 days. Usually a short, meaning an open electrical circuit, is draining your battery. This means even though you have the car shut off, some thign is draining current from your battery. A wire may have rubbed the insulation off and is now touching metal somewhere on the car and this is letting the current drain from the battery. Shorts are very hard to find but can be done using a circuit tester and patience. As long as you have that short, the only way to prevent your battery from drainign is to get a battery disconnect........it's connects to the negative post on the battery and when you turn it it either allows the current to flow from the battery or else it shuts it off. Of course you will have to turn it on and off all the time but it will get you by for awhile.


The car light? YES! Leaving your car light on WILL make your battery run out. Things like leaving your car door open if the light is on because it is open will cause the lgiht to Mae your car battery run out. There is a big difference between shorted out a car battery and running the battery down. Lighting in itself won't short a battery out but will run it down.


On an automobile battery it sure does. Each time the battery is discharged the life is shortened. On a deed cell marine or golf cart battery this is not the case.


just happen to me today the flashing battery light means your alternator is going bad and it is draining your battery..so your car may crank a few minutes before, but may put you down while you're out and about so be careful where you drive, because your battery can lose power in less than a minute of driving because of the alternator..car will stall instantly.


Could be an older battery that can't hold a charge any longer Could be loose or corroded battery cables not supplying a sufficient charge from alternator Could be a weak alternator not charging battery Could be excessive parasytic load drain to battery ( a fully charged battery should be able to hold a charge for 21 days of inactivity) Could be a hidden accessory left on draining battery (i.e. trunk light, glove box light, etc.) Could be a defective voltage regulator not opening on engine shut down draining battery.


the battery light means that your battery is being charged properly. so let it light.


Either a short to power or a bad fan switch.



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