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Speedo and Tach?

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    Speedo and Tach?

    I bought an e30 with an s50 The speedo and the tach doesn't work.

    Tach: An aftermarker tach was in the car and working when I bought the car, but i really don't like it. It was plugged on the black wire of the S50 ECU. Moreover, the black wire of the ECU is also connected to the black wire of the cluster. I think its on the blue plug, but i'm not sure.

    To make the e30 325es tach work, what I need to do. I tough that eta e30 had 5k rpm, but mine has 7k...? What is the wire color/location of the tach on the cluster

    Speedo: the speedo isn't working either. The car as a triple clutch diff from diff online with a z3 diff cover... What is the color/location of the wires for the speedo on the the cluster?


    Any help would greatly be appreciated!

    Thanks!
    Last edited by MatRacer; 06-02-2009, 07:03 AM.
    E30 now S52
    2008 Suburban LTZ (Family and TT hauler)
    325xiT (Sold)

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