shouldn't the circuit be closed when the door is open?
the circuit should be broken (open) when the door is closed.
just open the door, shove in the button (all the way), hold, and see if the light goes off.
try this on both doors.
my 98 cav has a bad switch (button) on driver's side......not sure how to remove it, though.
in the meantime, i just pulled the fuse to the dome light.