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1999 Cadillac STS Brake light on trunk

Tiny
PLANMAN35
  • MEMBER
  • 1999 CADILLAC STS
  • V8
  • 2WD
  • AUTOMATIC
  • 111,000 MILES
I would like to adjust the flash rate on the LED brake light on the trunk of my 1999 STS. Currently the brake light flashes rapidly. Is it possible to make the brake light not flash but instead stay solid the entire time the brakes are depressed? If so, then how do I do it? Thanks, B
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Tuesday, September 1st, 2009 AT 9:46 AM

3 Replies

Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
I have never seen one that flashes in my 12 years at a cadillac dealer, they all stay on solid unless something has been done. What is the history of the vehicle, how long have you had it?
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Tuesday, September 1st, 2009 AT 10:59 PM
Tiny
PLANMAN35
  • MEMBER
  • 2 POSTS
It is not defective. It has flashed since 2002 when it was purchased by the second owner. Is there some way to adjust it?
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Wednesday, September 2nd, 2009 AT 3:02 PM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
It is not factory for it to flash, it should be solid. If it has flashed since the second owner has had it, the first owner has put something aftermarket in it, or the lamp is defective. If it has a consistent flash rate, I would say some type of flasher has been installed in the circuit. As far as an adjustment, if it is not factory, I don't know if it is adjustable. Remove the rear lamp panel and see if something is between the harness connector and the lamp, that would be the first place I would look.
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Wednesday, September 2nd, 2009 AT 9:07 PM

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