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    Author Topic: Tack...requires shielded wire??  (Read 806 times)

    Offline DAYLEY/CHALLENGER

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    • Still My Inspiration..1971, Rockingham, Nc
    Tack...requires shielded wire??
    « on: October 13, 2008 - 07:46:51 PM »
    I just can't get the tack to work right.  When idling.......ok on the RPM........but on the road I can turnup 8500 and be doing 40 mph, and I am not in First gear either!!  Is a shielded wire required as to not pick up any voltage from other sources? :dunno:   :1zhelp:
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    Dave or David


    Offline Chryco Psycho

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    Re: Tack...requires shielded wire??
    « Reply #1 on: October 14, 2008 - 02:04:47 AM »
    no it doesn`t need shielded wire , the factory tachs are usually screwy & will read way off which is why most people are doing the electronic conversions now , electronic were not very adavnced in 1969
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    Challenger - You`ll wish You Hadn`t

    Offline 71 DEPUTY

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    Re: Tack...requires shielded wire??
    « Reply #2 on: October 14, 2008 - 08:48:55 AM »
    mine is the same-electronics inside are old and either need work or get the new replacement ones from RTE
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