Installation Guide
Page 9
...shielded wiring for wiring the GPS 17 sensor and other wires require 22 AWG. For runs over 30' (9.1 m), the drain wire must be connected to the GPSMAP 172/172C Owner's Manual for runs over 30' (9.1 m). 2. GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 172/...172C FUSE 5A WIRE COLOR RED BLACK BLUE BROWN ORANGE WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE GARMIN GSD 20 SOUNDER MODULE TO TRANSDUCER BATTERY...
...shielded wiring for wiring the GPS 17 sensor and other wires require 22 AWG. For runs over 30' (9.1 m), the drain wire must be connected to the GPSMAP 172/172C Owner's Manual for runs over 30' (9.1 m). 2. GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 172/...172C FUSE 5A WIRE COLOR RED BLACK BLUE BROWN ORANGE WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE GARMIN GSD 20 SOUNDER MODULE TO TRANSDUCER BATTERY...