Still trying to use supplies laying around in the shop I had to buy a Water Pressure gauge. I bought a white face gauge because if I strip my boat on Ross Barnett the instruments have white face.
To simplify wiring I prefabbed a harness for the Ground side & Lighting side of the required Gauge wiring.
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Here the Trim gauge is being terminated to the Yamaha wiring.
This is another chunk of the original generic wiring harness I cut out. You can see how they built boats back then, unused wires were just wrapped up with electrical tape. This bundle was hidden like the rest of these old wiring practices, if you had to find a problem this would have been very, very hard to find if you didn't work for a Skeeter Dealer.
The ground & Lighting wires are hanging out of the Tach Hole. I still have to enlarge the Tach hole for a modern Tach. Where I'm working on this boat I don't make big dusty messes. Actually, previewing this post I realized I have not checked the number of Poles on the Stator of this Yamaha to be sure the Tach Pole Switch is set correctly before installing it.


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