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  1. #1

    Exclamation gauge cluster fried?

    anyone else experience this?:
    speedo and tach twitch and freak out under FULL voltage load
    like, headlights, blower motor, etc etc

    but only when i have the high beams on plus the low beams
    http://www.summitracing.com/parts/prf-30802

    otherwise its quite accurate... im lost... help!!
    Gas was $1.83 when Obama took office.....

  2. #2
    Jr. Apprentice Arbitert343GS's Avatar
    Join Date
    Oct 2010
    Location
    Lawrenceville, Ga
    Posts
    20

    Default

    Have you checked to see if the printed circuit on the back of the gauges is ok, I had a friend with about the same problem in his 69 and it was because the plastic printed circuit was melted.
    Brandon - Georgia
    1999 Chevy C1500
    1978 Pontiac Trans Am

  3. #3

    Default

    fixed it.
    the main bus wire was over 6' long and had worn through somewhere....
    new wire, new battery cables, fresh battery grounds. fixed

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