do they not turn on when door is open but do they turn on when you rotate the button on the left then push button on right
check the fuses..
Yes, the ignition on a trailblazer can cause head lights to work improperly.
Check the fuseable link.
If you brake lights are not working on your trailblazer it could be due to a number of reasons. Your fuse could be blown, or your light may no longer work.
None of the interior lights work so I think it might be a fuse?
If only the interior lights won't work, check the fuses.
Check your fuses - they are operated separately
If you mean the courtesy lights on the ceiling, check them both and make sure the switch on the light itself is set to "door". They both have a switch that says "OFF/ON/DOOR".
They dont
The lights may not work because the wires for the lights is not pluged in or you blew a fuse.
ford van 2013 E250 inide lights wont work
interior light fuse