temp fuel gauge jump when lights turn on

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cox.adrian
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Location: HAILSHAM E SUSSEX
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    kevin 2 second job earth / brown wire back top of speedo - instument cluster

    fit new  all sortedwink

     

panzer
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Re: temp fuel gauge jump when lights turn on

Adrian - I am trying to to fix the same gremlin but I do not understand your post as what is needed. 1988 230 ge

cox.adrian
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Re: temp fuel gauge jump when lights turn on

  take the plastic cover off the back off the Speedo cluster 

   there is a earth wire which runs from Speedo unit to the temp / fuel  unit

​  connecting the two together it is the top wire on bough units 

​   replace this wire

    if this is no help give me time and i will take a pic i am still on the road 

    i have had this problem for years cleaned all earth points with no joy

KevinStuttgart
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Re: temp fuel gauge jump when lights turn on

Excellent news. Im on it tomorrow. Ask about my spacer issues. Thanks

panzer
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Re: temp fuel gauge jump when lights turn on

Many thanks - could be an easy job for a change.