Start with the dome light or dimmer switch.
Turn on dome light and door lock.
An easy way to diagnose this is to turn your dome light switch to on position.
They don t come on when i open the door or when i turn the switch to on.
A problem with a door jamb switch can prevent your interior light from turning on.
The i realized my dome lights don t work.
Where is the switch that tells the light to turn on.
If i turn the switch on manually it lights up just not with the door.
Step 1 inspect the dome light switch in front of the dome light fixture.
Off on and door if the door option is selected the dome light will turn on only when the door is opened.
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.
For the gmt800 generation gmc and chevy trucks silverado tahoe suburban yukon sierra.
When i shut the car off and try to use the lock switch to lock the doors nothing happens no noise or anything.
My maplights in the front of the vehicle turn on with both the swich and door just not the center dome lights.
The dome light switch is built into the latch and is operated by.
I have read elsewhere that there may be a diode issue but i am not sure where that diode would be.
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.
Step 5 check door jamb 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.
The most common cause of this problem is when someone other than the driver uses the dome light or dimmer switch.
My center dome light has stopped turning on with the door open.
I have tried different bulbs but to no avail.
Also my power door locks will only work when the car ir running.