Step 5 check door jamb switch.
Turn on dome light and door lock.
An easy way to diagnose this is to turn your dome light switch to on position.
Step 1 inspect the dome light switch in front of the dome light fixture.
Dome light stays on afrter the door is shut and the door ajar light comes on and the dome light will not go out.
Also my power door locks will only work when the car ir running.
This can leave the interior lights in a state where they no longer come on when you open the door.
08 mega cab my dome light stopped coming on when the back pass side door is opened always worked and then one day it just stopped working my door lock and power still work.
They don t come on when i open the door or when i turn the switch to on.
My maplights in the front of the vehicle turn on with both the swich and door just not the center dome lights.
A problem with a door jamb switch can prevent your interior light from turning on.
I have tried different bulbs but to no avail.
Also even with the lamp out if i open the door after the truck has been running awhile the door ajar light comes on and if the lamp is in place it stays on until.
The most common cause of this problem is when someone other than the driver uses the dome light or dimmer switch.
If i take the lamp bulb out the door ajar goes out and of couse the light goes out until i put the lamp back in.
If i turn the switch on manually it lights up just not with the door.
Most dome lights have three settings.
For the gmt800 generation gmc and chevy trucks silverado tahoe suburban yukon sierra.
Where is the switch that tells the light to turn on.
When your car interior lights stop working the best place to start is also the easiest fix.
A faulty dome light switch can prevent your dome light from turning on or off.
Start with the dome light or dimmer switch.
The i realized my dome lights don t work.
Off on and door if the door option is selected the dome light will turn on only when the door is opened.
My center dome light has stopped turning on with the door open.