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instrument cluster help!

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    #1

    instrument cluster help!

    i have done some searching but have not come up with any good answers. maybe its just because im not looking in the right places or something.
    the instrument cluster in my '87 325e is not working correctly. the fuel gauge works and so do the turn signal lights and warning lights, but nothing ells works. i do not know what to look for. i have removed the cluster, checked the fuses (i believe the fuse is fuse #10) and checked the ground wires above the gas peddle. they all seam to be fine but i could be wrong. i think i will put a new 7.5 fuse in the #10 slot. i do not think it is the gears in the instruments them selves because i don't think they would all be bad at the same time. any pointers or tips would be greatly appreciated!!! thanks guys.
    sigpic
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten."

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    #2
    search "SI batteries"


    Originally posted by vlad
    Do you know anybody else who built that many bad ass E30s?

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      #3
      thanks. did not know those were even there.
      man they are so corroded! does this mean i need a new board or is there a way to clean it up? im going to try and stick in some new batteries and put it back in the car.
      sigpic
      "The bitterness of poor quality remains long after the sweetness of low price is forgotten."

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        #4
        I'm not running any SI board at all on my Motometer cluster.
        All I had to put in was a jumper wire in for the temp gauge.
        From the 2nd pin to the 5th pin I think it was.
        As it is, many people opt to bypass the board with a wire connecting the temp sender and the temp gauge on the main board and that allows them to run without that board at all.
        does anyone know exactly how to bypass the si board on my '87 325e? i dont want to randomly do stuff to my gauge cluster. can anyone tell me how to do it? is it the 2nd to the 5th pin, and if so where are these pins located on the board? thanks!
        sigpic
        "The bitterness of poor quality remains long after the sweetness of low price is forgotten."

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          #5
          I've never really messed around with bypassing, so I dont know much about that.

          I've got several spare clusters around the house that I use for parts whenever I put one together. 3 out of the 4 I have that are in good shape have new-ish (replaced) SI boards. I pulled them from random cars at the junkyard. Might want to try your luck there.

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            #6
            i think the main board may be damaged as well. it looks like some of the battery acid has leaked onto it. if i can find a si board for cheap ill try replacing that first, other wise im just getting a new gauge cluster. i dont feel like spending $130 or so on a new si board if the main board is messed up as well.
            sigpic
            "The bitterness of poor quality remains long after the sweetness of low price is forgotten."

            Comment

              #7
              Find a good used one. I bought one from someone on here for $40 or $50 and it works perfectly. Now I also have the other board as a spare if needed (just need to replace the batteries).

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