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rev counter fading out on me!

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  • 06-07-2012 4:26am
    #1
    n1ght28
    Registered Users Posts: 68 ✭✭


    Hey guys,

    Got an old Lancia Fulvia and everytime I start it up the rev counter works for maybe ten seconds the fades away to no response at all,

    I've tried to track down a shorted wire or a bad earth but no luck

    It is an electronic tachometer with ground, power and signal off the coil.

    It sometimes will start responding weakly while driving around but I can't find any common factor that proceeds this fleeting rebirth.

    Any ideas on tracking down the problem?


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    #2
    JP 1800
    Registered Users Posts: 323 ✭✭JP 1800


    Most likely a solder joint has become lose inside or the electronic components are breaking down with age


  • Options
    #3
    n1ght28
    Registered Users Posts: 68 ✭✭n1ght28


    JP 1800 wrote: »
    Most likely a solder joint has become lose inside or the electronic components are breaking down with age


    I cracked it open and all the solder looked fresh a crack free, and I couldn't see any obviously burnt out components but I might see if I can get a replacemnet to see if its the unit,


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