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My daughter wrecked her car and the battery drains because the door courtesy light is always on. The reason it stays on us because the door was smashed in a way that the door is always open. Surprisingly the car still drives just fine-I just need to get that light to turn off so the car will stay charged and she can still drive it for now

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  • Cars & Trucks Master
  • 5,362 Answers

Find the door open switch and disconnect it, or take the bulb out of the courtesy light socket.
The door switch, out is on, pushed in is closed (light off), you can take some duct tape over the switch to keep it pushed in.

Posted on Jul 14, 2013

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Door Ajar Warning Light Stays On

Our Ford Expedition & an Olds Silhouette Premier & both did the same thing. Someone online said to spray the inside door where the metal connects with the frame & sensors are there with WD-40. We did & it fixed the problem. Maybe this will work for yours.

Posted on Aug 25, 2008

  • 1 Answer

SOURCE: Interior lights stay on with doors closed.

im guessing your door ajar light is lit, if not maybe its burnt out or if bought used, disconnected by previous owner, cause this can be a problem that occurs, disappears and reoccurs. its most likely the door ajar switch which are are inside the door by the latch rather than in the door jams like the older models. 1st thing is to figure out which door it is and im sure youve shut and reshut the doors repeatedly to eliminate that as the cause. put the key in the ignition, do not start and open drivers door, if it chimes its good, now start the vehicle and one by one open the other 3 passenger doors one by one, ea door should create a single chime, if not thats the door that needs the door ajar switch replaced. 20 dollar part, tight work space. this happened with my 2001 styleside f-150 supercrew lariat and i pulled the #1 relay to save the battery. truck ran fine just no interior lights till i could get around to fixing it. in the meantime my headlight switch burnt out $160 part. not confirmed yet but one souce reported running w/out that relay in could cause a multitude of problems. so beware if youre running iiit w that relay pulled. im still checking into that as a cause or coincidence

Posted on Feb 04, 2009

  • 1861 Answers

SOURCE: Possible Battery Drain?

The Auxilery battery is your problem. If you leave the door ajar, the battery will drain out. The Aux battery is quite small, and it is locted in the rear cargo area. We have found that once the Aux battery goes low, it is best to replace it. If the car is under 35K miles, it is still under the factory warranty. In any case, I would replace the Aux battery.

Posted on Apr 16, 2009

  • 272 Answers

SOURCE: Toyota Camry 1991 door light stays on

You need to readjust the switch on your trunk door, or replace. To check it locate it, tape it down with duct tape and see if the light goes off. If not it's bad. If it does it means it isn't sticking out far enough to be turned off when the trunk is closed. The adjusment should be fairly obvious. If not you can simply unplug it which has the same result as turning it off.

Posted on May 11, 2009

  • 17 Answers

SOURCE: 96 Buick roadmaster= interior lights stay on while driving

Check to see if the over head light has shorted to ground. EG: touching roof, from weight being put on the roof. EG: Cargo hauler.

Posted on Jun 01, 2009

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2 Answers

Interior lights


This is both a courtesy and safety issue on many high end vehicles. The light from the interior lights can cast enough light to get to front door and possibly show dangers in your path. And after first getting into you car and starting it, you can check the back seat for any unwanted hitchhikers. As for the 10 minute timer, I don't know if this can be adjusted. A Chiltons/Haynes repair manual for you car may have that answer, or, the Buick dealership shop foreman. Best of luck.

May 31, 2015 | 1998 Buick Park Avenue

2 Answers

Courtesy lights stay on all the time, only go out by pulling fuse


do you have the light switch on? also there is a little switch on the door that gets pressed when you close it this part could be broken causing the car to think the door has been left open thus leaving on the courtesy lights

Oct 03, 2008 | 1989 Chevrolet Corvette

1 Answer

Courtesy lights stay on after the door has been closed on my 98 LeSabre. What is the cause of that and can I remove the fuse to get the lights off so the battery isn't drained?


Hi Dennis,

Your courtesy lights are controlled by your Body Control Module (BCM). Normal operation is for the courtesy lights to stay on for 2-3 minutes after the door is closed, then turn off.If they stay on longer than about 3 minutes, then there are several possible causes:

1. You may have the "courtesy lamp override switch" in the overide position in the dimmer control on the dash.

2. you may have a door that is not completely closed. You need to check ALL of them.

3. You could have a defective door switch or dimmer control switch

4. you could have a short to ground in one of the door control switch circuits, causing the BCM to "think" that there is a door open.

The CORRECT way to fix this would be to scan your BCM for fault codes and also read the BCM data to find out if it is showing one of the doors as being open when they clearly are not, so you will know which door is causing the problem.

Removing the courtesy lamp fuse will NOT completely fix the battery drain problem if these circuits are shorted or malfunctioning because the BCM will STILL be "trying" to turn these lights on and this will also cause an excessive draw on your battery. However, removing the 15 Amp fuse marked "CTSY LMP/MIRROR" located in the instrument panel fuse block will get the lights turned off and at least slow down how fast your battery is draining.

Oct 25, 2011 | 1998 Buick LeSabre

1 Answer

The battery draining of power when motor is swiched off


TO CHECK FOR A BATTERY DRAIN. TURN OFF EVERY SWITCH IN THE CAR. CLOSE THE GLOVE COMPARTMENT. MAKE SURE THE LITE IN THERE IS GOING OUT. OPEN THE HOOD CLOSE ALL OF THE DOORS. MAKE SURE ALL OF THE COURTESY LIGHTS ARE GOING OUT. DISCONNECT ANY UNDER HOOD LIGHTS. DISCONNECT NEG. BATTERY CABLE. USE A 12 VOLT TEST LIGHT, FASTEN ONE END TO THE NEGATIVE BATTERY TERMINAL, FASTEN THE OTHER END TO A METAL PART OF THE MOTOR. IF THE LIGHT COMES ON, THERE IS A BATTERY DRAIN. NO LIGHT, NO DRAIN. IF THE LIGHT IS ON, PULL EACH FUSE, BIG & SMALL, ONE AT A TIME, OUT OF THE FUSEBOX THAT IS NEAR THE BATTERY. WHICHEVER FUSE MAKES THE LIGHT GO OUT IS CAUSING THE DRAIN. IF THE LIGHT STAYS ON THROUGHOUT THE FUSE PULLING, DISCONNECT THE ALTERNATOR. IF THERE IS SOMETHING WRONG IN THE ALTERNATOR, IT CAN DRAIN THE BATTERY WHILE SITTING STILL, EVEN THOUGH IT IS CHARGING THE BATTERY WHILE YOU ARE DRIVING. GOOD LUCK

Jan 14, 2011 | 2003 Land Rover Range Rover

1 Answer

On my 94 jeep im having an electrical problem, something is killing my battery and i checked the alternator and my starter and i can not find the solution something is killing my battery rapidly please...


START THE VEHICLE, PUT A VOLTMETER ON THE BATTERY. THE VOLTAGE SHOULD READ 13.90 TO 14.80. IF THAT IS OK, THERE MAY BE A BATTERY DRAIN. TURN OFF EVERY SWITCH IN THE CAR.CLOSE ALL THE DOORS. MAKE SURE ALL THE COURTESY LIGHTS ARE GOING OUT. & THE GLOVE COMPARTMENT LIGHT. RAISE THE HOOD. DISABLE ANY UNDER HOOD LIGHTS. DISCONNECT THE NEG. CABLE FROM THE BATTERY. PUT A 12 VOLT TEST LIGHT, ONE END ON THE NEG BATTERY POST & THE OTHER END ON A GOOD GROUND { METAL }. IF THE LIGHT COMES ON THERE IS A BATTERY DRAIN. NO LIGHT , NO DRAIN. IF IT'S ON, ONE AT A TIME PULL THE FUSES OUT OF THE POWER DISTRIBUTION BOX. IF THE LIGHT STAYS LIT, PUT THE FUSE BACK. DO THIS WITH ALL THE FUSES BIG & SMALL. IF THE LIGHT STAYS LIT, DISCONNECT THE ALTERNATOR. THEY CAN CHARGE THE BATTERY WHILE RUNNING, & DRAIN WHEN STOPPED.

Jan 11, 2011 | 1994 Jeep Grand Cherokee

1 Answer

2001 Sequoia, door ajar light goes off, but dome light stays on. Door ajar light comes on with slight pressure against closed door. Can replacing the door jam switch solve this problem? Why would the door...


To temporarily solve the light problem, I taped a washer to the inside of the door where the door hits the plunger on the light switch. A permanent solution would be to drill a hole in the door at this spot and put a self taping screw in that will trigger the switch sooner. I figured out the reason the dome light stayed on is due to the courtesy light timer and the lights would have eventually gone off.

Nov 12, 2009 | 2001 Toyota Sequoia

1 Answer

I am unable to turn off door courtesy lights even after disconnecting lift gate ajar switch. Does new switch have to be in place to turn off lights?


I haven't picked up the part yet but it should be in tomorrow. According to a tech update from Chrysler in 1997, the rear hatch door has a door ajar switch in the handle and for, at least, the 95's and 96' switch;s were getting wet and corroding at the contacts. Unless this switch sends a signal to the computer, telling it that the door is closed, the courtesy lights stay on and drain the battery.
I hope that this part will fix the problem and I will let you know how it came out. I'll have to replace the battery also.

Jun 10, 2009 | 1996 Jeep Grand Cherokee

1 Answer

Courtesy lights stay on all the time


Have you tried the switch on the dash that turns them on? Are door switches adjusted properly?

Apr 09, 2009 | 1989 Chevrolet Corvette

2 Answers

Interior lights do not come on


Is it an old van? Can you see on the door frame a switch does it come out when the door is opened (push in and out a few times). 3 position switch on always / off always and door switch?

Apr 10, 2017 | 1999 Ford Windstar

1 Answer

Battery drain


There is a module called the delayed entry module, it keeps the courtesy lights on for about 30-40 seconds when the door is opened, by what you say that may not be the problem, without the load of the light bulbs the timer will not work in the module, this throws off many techs. Have you had the battery tested?? even if it is new it can have a problem, I put three new batteries from Kragen in my Corvette in 1 year, I also thought the system had a drain, but it was the battery every time, finally bought a Delco battery and never had an issue again.

Sep 21, 2008 | 1995 Oldsmobile Cutlass Ciera

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