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  1. #1
    Join Date
    Jul 2022
    Posts
    7

    Default Gauges - some working, most not

    Just purchased a 99 Supra Comp w/ 400 hours.

    Some of the gauges don't seem to be working. Definitely not working: fuel gauge and one of the two speedo's (other speedo seems to be working okay). Possibly not working: engine temp, oil pressure, battery voltage. Seem to be working well: tach, one speedo.

    Marina service tech where I purchased the boat said gauge issues are being caused by a failed computer chip that controls the gauge cluster. Said it looks like the chip got wet. Replacement OEM chip they said would be $2K-$3K and it would take several months to get one in. Suggested I replace the entire gauge cluster with aftermarket set which would include all new gauges plus the chip that controls the gauges. Said this option would probably be closer to $1500, but they are still trying to source one.

    Not sure what to do. Supra speedo's have calibration adjusters which I would like to still work when gauges are working properly (calibration works on the one speedo that is working).

    I would be grateful for any guidance y'all could offer.
    Last edited by mgreatrix; 07-04-2022 at 11:27 AM.

  2. #2
    Join Date
    Mar 2003
    Location
    Las Vegas, Nevada
    Posts
    6

    Default

    Check out skiboatpartsonline, Ron Tanis is the guy who runs this company. Maybe also on youtube check it out.
    Larry

  3. #3
    Join Date
    Jul 2022
    Posts
    7

    Default

    Thanks Larry! I will check in with Ron.

  4. #4
    Join Date
    Jun 2021
    Posts
    4

    Default

    I don’t know why it didn’t ever post when I replied to this a week ago, but I have a Santera that had Tanis’ update done before I bought it. Definitely wasn’t a bad job to do (I looked it over) and the gauges work great.

  5. #5
    Join Date
    Jul 2022
    Posts
    7

    Default

    Spoke with Ron at skiboatpartsonline and he was super helpful. Highly recommend him, his business and his youtube channel for anyone looking to maintain/repair an older ski boat. Incredible resource! Thanks again Larry and Nick.

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