voltage stab.

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  • bobandjaneburden
    Club Member
    • Nov 2011
    • 38

    #1

    voltage stab.

    hi all,my old voltage stab. is u/s will feeding 12 volts to temp.gauge make it read high?.
    is there a diagram for a electronic version?.
    thanks for any info.
  • cameronfurnival
    • Nov 2011
    • 2142

    #2
    Re: voltage stab.

    Hi Bob try this /...
    there are several threads on the interweb about this, try the toldo or TSSC clubs? BUt here's alink to a diy make it yourself one...
    http://www.ken555.plus.com/gtm/regulator-conversion.html

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    • stevejgreen
      club member
      • Nov 2011
      • 3480

      #3
      Re: voltage stab.

      The stabiliser on the back of the speedo provides 10V by switching the current on and off using a bimetallc strip.
      Pretty crude but as it was designed before semiconductors were cheaper, but it did the job.
      Now 40 years on semiconductors are cheap.
      Ken555's version ideally needs a couple of capacitors to work reliably. Ref http://www.maplin.co.uk/Media/PDFs/Module%207937.pdf
      The quick way is to buy ebay item 280624024425 it comes with all the connectors needed and can be mounted in place of the standard Lucas unit.
      MOC member since 05/97
      1984 Marlin Roadster SWB.
      1800TC, Unleaded ported head, stage 2 cam. Ford Type 9 gearbox, Dolomite Sprint rear axle fitted with MGF disc brakes.
      Three core radiator, Renault Clio vented front discs.
      The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man.

      Loads of Marlin Reference can be found documents here or there.

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