Question about Cadillac Cars & Trucks
It sounds like the LED controller built into the center stop light is malfunctioning. The only suggestion I have is to replace the light strip.
Posted on Apr 18, 2017
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Posted on Jan 02, 2017
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.
Posted on May 28, 2009
SOURCE: Brake lights don't work on
First check your owners manual for fuse box location and check for any blown fuses. Next check the brake peddle under the dash for a switch, which is mounted to the peddle arm and turns on the lights when the peddle is pressed in. If the switch has worked loose and is not being pushed when you are pressing the peddle the lights will not come on. Hope this helps Fix Ya up.
Posted on Jul 23, 2011
Assuming the center high mounted stop lamp (LED) is OK, both symptoms point to the BCM but in the case of the trunk the valet switch could be on or shorted to turn on.
Posted on May 01, 2014
Testimonial: "found valet switch & relay functiong correctly..was a defective trunk latch solenoid mechanism , 3rd brake light when removed, has broken circuitry & needs replacing. Thanks ^5"
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