Courtesy lights stay on all the time, only go out by pulling fuse
All of the sudden my courtesy lights started staying on. replaced timer relay, didn't help. made sure the dimmer switch was turned off, didn't help, no blown fuses. have tried every suggestion that people have given me, so far nothing works.
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If the rear light on the other side goes on and off by pushing on the light then i would say the switch in the one that stays lit it either stuck or broken and may need to be replaced. i think you could stop by a body shop and they would be able to do it for less money that a Buick dealer would.
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
the courtesy and dome lights are operated by switches in the door frame look around the opening and look for a small black button
that button presses back in and breaks the circuit thereby putting out the light
if it is earthed ( grounded) at the back then the lights will stay on
there is one for each door and any one will keep the lights on
No other lights on ,dome, courtesy etc...
Battery Rundown Protection/Inadvertent Power
In the event that any of the interior lamps supplied voltage by the inadvertent power relay and ground from the courtesy lamp relay were to remain on when the ignition is OFF after a period of 20 minutes, the BCM will deactivate the inadvertent power relay turning OFF all of the lamps on that circuit to prevent total battery discharge. Only when the ignition switch is cycled back to the RUN position will the BCM reset the internal timer and reactivate the inadvertent power relay. When the inadvertent power relay is not energized, the BCM utilizes the inadvertent power courtesy lamp supply voltage circuit to monitor for a courtesy lamp switch request signal. If a courtesy lamp switch is activated, the BCM will receive the signal to energize the inadvertent power relay by grounding the control circuit.
It maybe your radio !
it sounds like you have somthing staying powered up hook up battery negitive cable and then use test light on positive lead put clamp on battery positive lead and use the point on the battery if light is on bright then you have somthing staying on like glove light dome lights or even visor lights with lead still hooked up you need to touch the clamp to the point end to power down the timer system usually 20 seconds then pull clamp away from point end while staying connected with battery and cable if you loose that connection you will need to start timer power down again then while someone is keeping the connection pull one fuse at a time and notice if light goes out or dim if it does either then see what that fuse powers and it will tell you what is staying powered
Not sure about your car but on my KIA the dome and rear gate light have switches on the light assemblies themselves for on/off all time/on with door. Check to see if you have same. Also, there may be another "dash" switch, typically on the dash dimmer switch which may be turned all the way from dim to off. Check your dash dimmer switch. Relays are typically in a fuse box under the hood.
One of your door sensors (or trunk sensor) is signaling that it is open or the dimmer switch is turned all the way up, which turns on the dome and foot lamps. Try turning the dimmer switch all the way down. If this does not fix the problem you will have to get all the door sensors (and trunk sensor) tested to determine which one needs to be replaced.
check the instrument panel light dimmer, some have a detent to turn the courtesy lights on with the switch. Also check to see if there is a manual switch on the courtesy interior light itself. Either one of these will allow the lights to stay on with the doors shut.