I’m Looking To Find A Power Cord For A Telescan 480 Fish Finder S# G-1497 ?
Packaging also contains Ray Jefferson a division of Jetronic Industries. Also, Main & Cotton STS, Philadelphia PA. Purchased at an estate sale, brand new in the box/sealed/never been opened but was missing the power cord.

have you tried ebay.com there are tons of adapters listed there im sure there is one.