Interior lights staying on causing dead battery. also interior lights flash off and on when driving

Sounds like a short. Check the wires and door switches.

have a load test done on the battery as it appears that it has a faulty cell. 2 hours for an internal light to flatten the battery indicates that the battery is no good as an interior bulb draws around 5 watts and on a good battery that would amount to around 24 hours usage. Besides all the other problems indicate a lower than required voltage.

Here, let's look it up. What year is it?

This is caused by a defective door ajar switch, it is located on the door latch and there is one for each door, the best thing to do is have the dealer scan the body control module and he can see on the scan tool which switch is the problem one.

Check to be sure interior lights are turn off when you are in the vehical.If so check the interior light switches on the doors for proper opperation.

Make sure all doors and trunk are properly closed. If light still stays on, you'll need to track down which door switch is causing the problem. Also make sure the interior light switch on the light controller is switched off.

Check your battery terminals make sure they are clean and corrosion free.
Also check all ...A-L-L courtesy lights in your car. there are some ceiling mounted lights that are passenger operated and may be on... Also check your glove compartment and consoles for lights.
Also check for charger cords... These have indicator lights and sometimes can drain the batt as well.
Also, under the hood, is a gravity activated lamp . Open the hood and make sure that it's going off and staying off as the hood closes...
Let me know if you find anything...
K

No , that doesn't draw enough amps to cause a dead battery . How long does it take for the battery to go dead ? Over night ,couple of day's ? . Your vehicle has a number of control modules on board ,one of these mite not be powering down when it's suppose to . Checking for a parasitic drain with a volt meter is the way to find out what's staying on . There are a couple of different way's to do this .
The BEST Way TO Perform Parasitic Draw Test
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