Yamaha & Suzuki Outboards - iboats Boating Forums
Go to the above link and someone can help you.
A trim gauge is really easy to install. There should be a plug or some wires somewhere on the pivot, midsection, or T/T unit. Most of them look like a little sweeper sender.
Something like the picture below.
"But if serving the Lord seems undesirable to you, then choose for yourselves this day whom you will serve, whether the gods your ancestors served beyond the Euphrates, or the gods of the Amorites, in whose land you are living. But as for me and my household, we will serve the Lord.” Joshua 25:15