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Where is the brake light relay?

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    Where is the brake light relay?

    The brake light warning has been lighting up my check panel ever since I got the car. I've tried replacing the panel. Right now, my complete interior is out and I'd like to locate the break light relay to try and fix this issue. Where is it? I hear its in the back but I have yet to find it. I have a cabrio but any input would be helpful. Thanks.

    #2
    It's in the trunk, up in front of the antenna motor; but I'd put a new brake light swtich on the pedal before I messed with it.
    Adam Fogg- '88 M3

    Common sense- It's the new 'gifted'

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      #3
      My brake lights work though

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        #4
        Originally posted by BENdashdash
        My brake lights work though
        Yea, I know. Put a new swtich in.
        Adam Fogg- '88 M3

        Common sense- It's the new 'gifted'

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          #5
          Thanks, I'll try that. But what is your reasoning for the switch? Corrosion?

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            #6
            Ive had brake switches switches crap out on me on both of my cars, I have to agree with Adam.
            James Peacock

            WWFSMD?

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              #7
              Originally posted by BENdashdash
              Thanks, I'll try that. But what is your reasoning for the switch? Corrosion?
              They just go bad internally, bad soldering or something. They updated the design now though.
              Adam Fogg- '88 M3

              Common sense- It's the new 'gifted'

              Comment


                #8
                Whelp, I replaced the switch yesterday. The check panel light still won't go away. Ideas?

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                  #9
                  Do any of the brake light bulbs have brass bases?

                  Are all of your grounds good? Clean connections?

                  The relay box is in the trunk on the left side, in front of where the power antenna is if you want to swap with a different one.

                  And you do know that the brake light warning always comes up every time you start the car and should clear itself after you press the pedal?
                  Adam Fogg- '88 M3

                  Common sense- It's the new 'gifted'

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