2009 Cadillac DTS Logo
Clarance R Posted on Aug 03, 2012
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2009 cadillac dts driver tail light is not working but lights up fully with brake?

Its the factory LED tail light. The light does come on with the headlights but works when you step on the brakes. Thanks

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tasha

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  • Posted on Oct 26, 2013
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I have a 2006 dts my third brake light is partly out what to do?

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  • Posted on Aug 04, 2012
Tommy L Beasley
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5 Related Answers

Anonymous

  • 232 Answers
  • Posted on May 28, 2009

SOURCE: 1995 Cadillac STS 3rd brake light OUT?

No it wouldn't be a fuse because it's partially still working,LEDs are wired in series so it could be one LED is burnt out or the current limiting resistor has opened for that section.Repairing it would be fairly simple but will require a multimeter preferably with a diode tester and a soldering iron.If you're not familiar with using a multimeter and testing electronic circuits I would say let a professional repair it or replace the whole unit.Comment back and I will give you the test procedures if you fell confident in making the repair.

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Anonymous

  • 275 Answers
  • Posted on Nov 12, 2008

SOURCE: Brake lights/turn signals don't work when headlights on

its probably a bad alternator check it and make sure its workin right if its not that then it could be the voltage regulator do the blinkers come on but not blink

Anonymous

  • 607 Answers
  • Posted on Apr 02, 2009

SOURCE: 97 Caddy Deville--Headlights won't come on. Fuses OK

check blown body and / or lighter fuses 20A

Molson02536

Harvey N Tawatao

  • 3854 Answers
  • Posted on Apr 08, 2009

SOURCE: I have a 2005 Cadillac CTS. Both my brake lights

Check the fuse first, then check the Actuator by your brake peddle to see if it's needs to be adjusted or replaced. Good luck

roland

  • 223 Answers
  • Posted on Jan 12, 2011

SOURCE: 2003 Cadillac CTS - the car won't shift from park

sounds like you have a bad brkae light switch, which is located on the brake pedal assembly. a bad switch will not let you shift out of park and you will not have any brake lights as the car does not recognize that the pedal is being pushed and brakes engaged. easy to replace switch if you are handy, if not this is a inexpensive repair at any mechanic. hope this was helpful is so please rate 4 thumbs.

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Brake lights quit working

Tail lights acting insane?

We had the same issue with our 2000 Pontiac Montana. Brake lights, turn signal lights, running lights, back-up lights and emergency flasher didn’t work at all or operated at random. The cause: poorly designed aluminum contacts on the tail light circuit board and wiring harness connector arced over and disintegrated with normal use.

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