3
manuals
Manuals & documents
View any document right in your browser, or download the PDF.
PDF
Flush Mount Template
Most used
PDF
Installation Instructions
PDF
Transducer Placement Guide
About this product
This page collects every official document Garmin publishes for the GT51M-TH (010-01966-10) — so you can install, troubleshoot, or check warranty terms without hunting through a drawer.