You possibly have a shorted or broken switch on one of your doors. These work by earthing out when a door is opened
The manual dome light switch is on.
More than likely it is the door switch. The switch is located in the door latch and the door panel must be removed to service.
dome light stays on ford taurus
Thia dome light comes in assembly and more than likely you need to replace it....
Either one of the door switches is broken or the dome light switch on the dash is turned on.
When the dome light stays on in an slk320 one of several things could be causing it. A door switch could be bad, the manual light switch could be stuck, or the light relay could be stuck. Any of these could cause the problem.
try looking at the swithes located where you door hinges are one of them might be shorted out causing your dome light to stay on.
If it stays on all the time it will drain the battery
Blown fuse.
Sounds like a faulty headlight on-off switch.
The switch located on the door frame may be broken is a dome light stays on in a Mercury Sable. The switch may need to be repaired. If that is not the issue, a mechanic can diagnose the issue. Another way to help find a solution is to look in the owner manual or repair book for the car.
http://wiki.answers.com/Q/What_could_be_the_problem_when_the_dome_light_for_a_1995_GMC_Sonoma_stays_on_even_when_truck_is_off"
sounds like GEM mod. is bad
its on the timer. check owners manuel to set to the delay you would like