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Brake lights

Tiny
RASTA2BAD
  • MEMBER
  • 2004 CADILLAC CTS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 67,000 MILES
Removed rear seat and do not see any fuses or relays for rear brakes
Sunday, November 21st, 2010 AT 2:39 AM

12 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
What is your exact problem?

Mark (mhpautos)
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Sunday, November 21st, 2010 AT 3:15 AM
Tiny
RASTA2BAD
  • MEMBER
  • 5 POSTS
Center brake light on, tail light bakes stopped working
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Sunday, November 21st, 2010 AT 3:29 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
The indicated wire is the one you want, I am not familiar with this model but the pic has come from Mitchell 1 data base.

Mark (mhpautos)
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Sunday, November 21st, 2010 AT 3:40 AM
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Have you checked and replaced the stop/tail bulbs?
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Monday, November 22nd, 2010 AT 12:03 AM
Tiny
BOBOU812
  • MEMBER
  • 2 POSTS
Under backseat. Right side of vechicle. Pull the carpet forward. Only a inch or two. It's a couple inches long bout inch wide should be black. Might have a Christmas tree holding carpet in place.
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Wednesday, November 13th, 2019 AT 4:01 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
Please feel free to use 2CarPros anytime!
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Saturday, November 16th, 2019 AT 1:20 PM
Tiny
GDIEHR
  • MEMBER
  • 1 POST
  • 2004 CADILLAC CTS
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
The left and right brake lights do not work; bulbs are fine. Center-mounted brake light works.

I suspect a fuse but using fuse diagram and coverage cannot find anything that identifies the outboard brake lights fuse.
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Saturday, November 16th, 2019 AT 1:21 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi gdiehr, Welcome to 2carpros and TY for the donation

The fuse for the brakes is good otherwise the high mount lite will not come on.

Inspect and test the joint connector located below left rear on left rear fuse block


https://www.2carpros.com/forum/automotive_pictures/12900_brakes_1.jpg

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Saturday, November 16th, 2019 AT 1:21 PM (Merged)
Tiny
MWRIGHT100783
  • MEMBER
  • 1 POST
  • 2003 CADILLAC CTS
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 127,500 MILES
WHAT KEEPS CAUSING THE BRAKE LIGHT FUSE TO KEEP BLOWING?
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Saturday, November 16th, 2019 AT 1:21 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Must be a short in the brake lamp circuitry. Check wire harnesses at brake lamp assemblies, ensure no wires are damaged or loose. If OK, check the brake lamp switch under driver dash, on brake pedal arm.
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Saturday, November 16th, 2019 AT 1:21 PM (Merged)
Tiny
BOBOU812
  • MEMBER
  • 2 POSTS
I just fixed mine. Had no brake lights. Had tail lights. Didn't have speedometer either. Mouse chewed through 3 wires under hood. Removed battery 3 wires going to plug in kinda tucked inside passenger side fender. Odd how those 3 control brake lights and speedometer.
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Saturday, November 16th, 2019 AT 4:34 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,904 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
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Sunday, November 17th, 2019 AT 10:47 AM

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