3rd tail light issue on 2004 SRX
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  • 1 Post By glake89
Cadillac SRX First Generation Forum - 2004 - 2009 Discussion, 3rd tail light issue on 2004 SRX in Cadillac SRX Forums; I have a 2004 SRX. Got it off auction and bought a 2007 SRX4 for parts. The body guy changed ...
  1. #1
    Roose is offline Cadillac Owners Member
    Automobile(s): 1995 Seville STS, 2004 SRX
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    3rd tail light issue on 2004 SRX

    I have a 2004 SRX. Got it off auction and bought a 2007 SRX4 for parts. The body guy changed the tailgate and installed the passenger rear 1/4 panel and bumper off the 2007 model to the 2004.
    Since I got it back, the 3rd or center brake light does not work when applying your foot to the brake pedal. It actually only flickers on when you shift from Drive to Park, specifically between Reverse and Park. Then stays off.

    I have the old tailgate still and removed the original 3rd/center brake light with its housing. Just don't want to take off the freshly painted light housing as it is held on by double sided tape and kind of flimsy. The fuses are good. Any suggestions? Worst comes to worst I'll put the old LED on the new tailgate. Does it sound like the LED has gone bad?

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  3. #2
    glake89's Avatar
    glake89 is offline Cadillac Owners Connoisseur
    Automobile(s): 05 srx awd v6, 07 Solstice GXP
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    Re: 3rd tail light issue on 2004 SRX

    Different wiring. 04 is run through flasher module, 07 through BCM.
    Roose likes this.
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  4. #3
    Roose is offline Cadillac Owners Member
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    Re: 3rd tail light issue on 2004 SRX

    Thank you. Next order of business is to remove all of the electrical wiring from the old tailgate and transfer it to the new tailgate? As well as fabricate a frame for the old lock/latch as the new lock and latch is electronically controlled by the BCM as well....

    Side question are the LED lamps different for the different years? or reusable?

  5. #4
    glake89's Avatar
    glake89 is offline Cadillac Owners Connoisseur
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    Re: 3rd tail light issue on 2004 SRX

    First thing I'd try is the old light since the wiring to the lift gate connector is still the 04.
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    Been fixin' cars for 71 years
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