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    Main Beam

    Main Beam stopped working last night, what are the usual culprits?

    Main Beam flash still works.

    Dipped Beam still works.

    Dash illumination still works.

    Wiring is standard.

    Thanks
    Julian

    #2
    Hi Julian,

    The most likely culprits are the main/dip switch contacts or the blue wire from the main lighting switch to the main/dip switch.

    Measuring at the dip/flash switch you should have 12V on the blue wire when the dipped beams are on and 12V on the blue/white wire when the main beams are on. If the former is missing then check the blue wire, if the latter then the switch contacts are probably faulty.

    Simon
    Last edited by mallardstag; 3 September 2014, 09:44.

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      #3
      Take the indicator/main/dip switch out and clean all the contacts with fine sandpaper.

      Comment


        #4
        Thankyou chaps!

        Comment


          #5
          I posted about this a few months ago, I had no electrical connection between the contact and the copper strip it sits on.
          I did a bodge to get it working but have since done a better job.
          I cleaned both the contact and the strip with emery, applied plenty of flux and gave it a good soldering!
          ZF 4 spd box, Datsun shafts, SS exhaust, 38DGMS weber 158.9bhp, BMW MC Tomcat seatssigpic

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