their seems to be 2 different ways that the 95 ciera determines when the door has been opened thus turning on interior lights.
the first type is the one we are all familier with.
the simple but effective little button type mounted next to door hinges.
the second type is quite different then this though.
i even have a picture of this 2nd. type of "switch".
not quite sure how it functions but it can be purchased at any auto parts store.
looks to be the type that sits close to the locking part of the door usually activated by a lever that apperently pushed down upon this "switch".
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http://www.cardomain.com/id/88ciera_sc
1988 Cutlass Ciera SC
3.8L Sequential Fuel Injection
Horsepower- 160 @ 4000 RPM<factory lie
Torque(lb-ft)-215 @ 2750 RPM
Displacement- 3802cc
4 Speed Automatic
This WAS My Dad's Oldsmobile