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Muddy

91 Euro f3 electrical issues

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Muddy

I am looking for the wiring diagram for the 1991 Malibu euro f3 skier. All of my gauges stopped working properly and the temp gauge is frozen at "high" temp. I disconnected the battery hoping to reset the gauges but that didn't work. Any suggestions or comments welcomed.

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JasonK

I had a 1990 Euro f3 for many years (from 120 hours to 1,100 hours).  Try Mercury Parts Express (if you have a Mercruiser Engine).

Does the boat have a computron?

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Rednucleus

When in doubt check all the grounds out!

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solorex

^this.  Check your grounds first.

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Woodski

@Muddy:  Your boat is of the simple wiring era, no ECU or electrical brain that needs a reset.  As for a wiring diagram, you can probably use any roughly pre '95 diagram or even something from a competing brand to get an idea of how it is wired, the engine brand should also have a useable diagram.  As noted, it is most likely a bad ground given you symptoms & you might check the ignition switch, the canon plug and the main switch panel ground.

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Muddy

Thanks for the heads up on the ground wire possibility. Will check that out 1st. What is "computron" ? Is that the black box under the dash with the computer board? If so yes. Any suggestions or comments welcomed. Cheers.

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