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Fuel and Temp Gauges

Discussion in 'Intermediate CJ-5/6/7/8' started by Max Verzenski, Dec 12, 2008.

  1. Dec 12, 2008
    Max Verzenski

    Max Verzenski Overvoltaged yet again

    North Carolina
    Joined:
    Sep 21, 2007
    Messages:
    122
    Hey everyone. Just the other day I reinstalled my speedometer cluster. Before I disconnected all the wires I wrote down where they went. After hooking everything back up, my fuel and temperature gauges are acting very strange. The needle moves up, but then it drops down and goes back up again. They constantly fluctuate almost at the rate. I'm positive everything was hooked up how it was before i took it apart. They worked fine before I took the cluster out. Any ideas as to what's causing this?
     
    Max Verzenski, Dec 12, 2008
    #1
  2. Dec 12, 2008
    shootist4

    shootist4 1975 CJ5

    Cascade, ID
    Joined:
    Jul 22, 2008
    Messages:
    17
    shootist4, Dec 12, 2008
    #2
  3. Dec 13, 2008
    Max Verzenski

    Max Verzenski Overvoltaged yet again

    North Carolina
    Joined:
    Sep 21, 2007
    Messages:
    122
    Any other ideas?
     
    Max Verzenski, Dec 13, 2008
    #3
  4. Dec 16, 2008
    switznd

    switznd New Member

    Selma, AL
    Joined:
    Aug 25, 2008
    Messages:
    42
    It sounds like the voltage regulator is bad. Also check your grounds. 12 volt systems can get crazy if the grounds are not really good. You may need to Add grouding straps from the dash panel to the body, body to frame, engine to frame, etc. At least in the future you'll know grounding is not the issue.
     
    Last edited: Dec 16, 2008
    switznd, Dec 16, 2008
    #4
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