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Thread: 1988 Daytona Shelby Z electrical issues

  1. #1
    Garrett booster
    Join Date
    Dec 2008
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    Manitoba, Canada
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    174

    1988 Daytona Shelby Z electrical issues

    My battery gauge in the car keeps flickering, if I put a turn signal on the battery gauge move in accordance with the turn signal, If I turn on my lights it puts a drain on my battery as well.

    Things I have done

    Taken out the aftermarket Stereo
    Changed the regulator inside the computer (from several other working computers I have laying around)
    Checked my voltages
    Changed out the alternator
    Brand new battery.

    issue still persists.

    any help would be great thanks.

  2. #2
    Supporting Member Turbo Mopar Contributor jonnymopar's Avatar
    Join Date
    Feb 2009
    Location
    Southeastern MA
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    780

    Re: 1988 Daytona Shelby Z electrical issues

    First thing to check should always be grounds on these old cars, especially near the front of the engine bay. There's one up near the ECU that gave me some strange symptoms when it loosened up.

    Does the car drive ok?
    Jon J.

    1989 Daytona ES 2.4L DOHC
    2003 Neon SXT - gone but never forgotten

    If it ain't broke, fix it 'till it is!

  3. #3
    turbo addict
    Join Date
    Jan 2007
    Location
    South Gillies, ON. Canada
    Posts
    2,923

    Re: 1988 Daytona Shelby Z electrical issues

    is it the gauge? put a multi meter on the battery and see if the voltage changes with the signal. Id assume its a weak ground for the the cluster or a bad solder joint on the board.
    my acclaim did something like this, the ground pin was pushed back in the cluster plug, sometimes when I put my lights on all my gauges would max out. I would beat the dash and it would connect and work again.
    1988 Lancer Shelby 2.2TII 1989 Shadow ES 2.5TI 1992 Lebaron Sedan 3.0Auto 1993 Acclaim 2.5TI-A520 Hoard parts now!

  4. #4
    Rhymes with tortoise. Turbo Mopar Staff cordes's Avatar
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    Dec 2005
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    Tuscola, IL
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    21,438

    Re: 1988 Daytona Shelby Z electrical issues

    Any progress on this? My Lancer is doing this pretty badly. I know it's the actual voltage fluctuating. I've tried replacing the power board in the SMEC, and the alternator. The grounds all look good. I might add another one to see if that helps, but I'm running out of ideas.

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