If the 3rd brake light fail to operate the switch may be defective contacts points may be burned or pitted replace the switch see picture at o reilly auto parts.
2003 cts third brake light repair.
What we do is replace the original neon lights with high quality led lighting.
Item is used but in good condition minor scuffs and usual wear.
They recommend a full unit swapp.
Don t see a part you need contact us.
All mounting tabs intact.
I have fixed mine myself for under 50 if you need help contact me for further info or on the cadillac forums screenname is gaetano04 105 people found this helpful.
2003 cadillac cts the third brake light does not come on is there a fuse for just that.
The center brake light sometimes referred to as the third brake light or stoplight on your 2005 cadillac cts lights up when you hit the brake pedal and helps prevent you from being rear ended by the cars behind you.
Comes complete as shown.
See how to change the center brake light cbl on your cadillac cts in the video above.
Third brake light on the cts from 03 to 07 is and neon incadsecent light powered by a neon transformer.
Or i was told its a cadillac thing and you have to replace it i was also told to send it to rush is th states and he changes them to led for only 82 95.
Buyer assumes full responsibility for fitment.
If we receive a brakelight that is made in taiwan we will send it back and refund minus a 25 dollar restocking fee.
If the 3rd brake light is working the brake pedal position switch is good.
This is repair service for the 2003 2007 cts third brake light.