www.iFourWinns.com

Has anyone ever done this successfully? Four Winns parts sent me what they said was the replacement paddlewheel sensor. Doesn't work, Four Winns won't help. Great boat..crappy service support for older boats.

VDO can't help and no longer support the all-in-one dashboard for those years.

Any new insights appreciated. Thank you!

1999 Four Winns 180LS Horizon

There are a few options but one is to add a good depthfinder/gps and just use the GPS speed
the other is to get rid of the all in one gauges and put in a conventional gauge panel, then you can use a water pressure speedo or a GPS speedo whatever you want. I fixed my old water pressue speedo (just replaced the pick up on transom and over about 10 mph it reads pretty close to the GPS speed on my Garmin.
If I was going to keep the boat a while I'd probably upgrade the gauge panel to a conventional one where you have individual gauges.

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88 Four Winns 200 Horizon
4.3 OMC Cobra-4bbl
2002 Walker Bay 10/2012 Suzuki 2.5
2008 Walker Bay 8

1998 Jeep Grand Cherokee 4.0/Selectrac
2007 Jeep Grand Cherokee 5.7 Hemi/Quadradrive II