1993 Buick Skylark center high mount stop (third 3rd brake light) light bulb lamp replacement: Purchase the correct replacement center high mount stop (third 3rd brake light) bulb(s) first, before disassembling the vehicle. See sources and related links below for replacement bulb information. Then consult your owner's manual for the center high mount stop (third 3rd brake light) bulb replacement procedure. As simple as it sounds, the owner's manual is the best place to start for bulb replacement instructions and illustrations. If there are multiple bulbs, you may want to consider replacing all at the same time in order to keep brightness and color equal (optional).
if it is in the back window like im thinking it is get in the trunk and you should be able to see the wires going up it and it will either plug in or you can unscrew it and replace it with the correct bulb
Just turn the housing the bulb is in and pull it out. Remove and replace the bulb the same way. For the rear lights, you have to push on a tab to release the housing the bulbs are in.
Check the bulbs - they are double filamented - smaller for stop/turn and larrger for tailights Check the sockets for corrosion Check the sockets for power /ground
Could be anything from a bad flasher, bulbs are out or the turn signal bulbs could have dirty contacts.
Generally, the lense has small tabs on it that can be gently pried out to get access to the bulbs.
There are all kinds of bulbs. In any event, any auto store should be able to help.
Change brake light bulbs Just remove the rear license plate. You can change the backup lights and brake light easily.
Remove the two screws that hold the lens on, remove the lens and change the bulbs.
Check the bulbs Check the stop light switch
Changing a headlight bulb in a 2007 Buick Lacrosse can be done easily. Just remove the cover piece and change the bulb.
Could be a blown fuse bad bulbs or bad switch check you wiring in the lights to make sure not getting a short
Answerthe brake light switch down at the brake pedal is most likely bad .AnswerFirst, use a test light to check to see if the bulbs are getting power. If not, check the stop light switch. This is the switch connected to the brake pedal. When the brake pedal is pushed, this switch closes the circut and causes the brake lights to come on.AnswerThe brake lights are wired through the hazard switch, Turn the hazard lights on and off several times, the brake lights should start working.the hazzard swith has a little plastic piece that dry rots over time, go to junkyard and by the switch, very simole job, cost me 25 cents