Mystery plug near heater switch...can anyone identify?

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  • houstonh
    Wrencher
    • Aug 2007
    • 293
    #1

    Mystery plug near heater switch...can anyone identify?

    thanks in advance on any help identifying where this guy should go... (i'm hoping it will make my heater work)
    Picture one: Close Up



    Picture two: you can see where it is dangling in relation to the heater core pipe/switch

    Tags: None
    • ak96ss
      E30 Addict
      • Nov 2005
      • 461
      #2
      Looks like an aftermarket fuse holder to me, I would venture that it doesn't have anything to do with the heater. Still have the OE stereo, or is it something else?
      John in MD - 1991 318is
      190k miles and still rolling!

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        • E30FreaK89
          E30 Addict
          • Apr 2006
          • 437
          #3
          might also be for an alarm....

            Comment

            • Jparkr
              HR Admin
              • Jan 2006
              • 3494
              #4
              why exactly doesn't your heater work? does the fan not come on? or does it just blow cold? both are simple fixes

              1987 PRO-3 car /1990 325is (2.7i Concours)

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                • houstonh
                  Wrencher
                  • Aug 2007
                  • 293
                  #5
                  about my heater... the fan comes on just fine, but the heat blows cold. the bottom tube that leads to the core gets hot, but the tube with the switch on it does not get hot.... this car has had some super ghetto wiring, so I am now on the assumption all issues are electical related. The car had an alarm at one time, judging by what I can see under the column. It also has an aftermarket stereo. But the peculiar thing is this plug seems to come out of the factory harness where the heater plug/switch is.

                  thanks in advance for any advice.
                  Last edited by houstonh; 01-08-2008, 06:46 AM.

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                    • lordofthewaters
                      Mod Crazy
                      • Oct 2005
                      • 714
                      #6
                      I'm going to say that the fuse holder is for an aftermarket alarm or maybe stereo.

                      Sarcasm is a body's natural defense against stupid.
                      When a man talks dirty to a woman, it's sexual harassment. When a woman talks dirty to a man, it's £3.95 per minute.
                      "My mother never saw the irony in calling me a son-of-a-bitch." Jack Nicholson"
                      Old age and treachery will always overcome youth and skill.

                        Comment

                        • houstonh
                          Wrencher
                          • Aug 2007
                          • 293
                          #7
                          it seems large for a fuse holder...

                          anyhow? You guys think I should just change the heater core? is there a way to test the switch?

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