2004 Cadillac CTS center high mount stop (third 3rd brake light) bulb 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).
1985
How to change third brake light in 2009 Hyundai sonata
BMW servise
remove tail light and reach through
the screws come off and you replace it
Remove the two screws holding the third brake light lens on then remove the lens, it may be stuck but it will pop off. Replace the two bulbs in there by pulling them straight out.
The third brake light on a 2007 Toyota Avalon is replaced by first removing the rear, retaining screws. The wiring harness can then be disconnect and the light bulb removed.
the third brake light is direct from brake light switch no fuse
Begin by removing the wiring harness from your third brake light. Remove the third brake light retaining screws. Reverse the process to install your new third brake light.
Take out the two screws and replace one or both of the lamps.
Its a whole led unit replace whole deal not bulb
Bulb is probably defective. Replace it.