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Speedometer amp trim guage

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mikeb45739

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My speedo and trim gauge don&#

My speedo and trim gauge don't work. The speedometer used to work fine. and suddenly stopped. Does anyone have any schematics? This is a 91 four winns 195 freedom with 4.3 omc & cobra outdrive.
 
"the speedometer is not electr

"the speedometer is not electric, so you have 2 unrelated problems. The speedo is a tube that picks up water at the rear of the boat through a pitot and sends water pressure right up to the dash. The pickup may get broken during trailer loading.
The trim sender is mounted on your outdrive and corroded wires are likely at 17 years old - a visual check of the sender and the wiring coming out of it would be first step."
 
"thank up. Where can I find th

"thank up. Where can I find the location of this speedometer tube? and the wires for the outdrive, would i find these inside the boat or outside on the outdrive? I would have to assume inside?"
 
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