Garmin GSD-20 GPSMAP 172/172C, GSD

Module Sonar 20 GSD

7

BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 172/172C

	WIRE	WIRE		GARMIN GSD 20
	COLOR	COLOR
FUSE			FUSE	SOUNDER MODULE
5A	RED	RED	2A
	BLACK	BLACK
	BLUE	WHITE/BLUE
	BROWN	WHITE/BROWN		TO
				TRANSDUCER
	ORANGE	ORANGE

BATTERY

10-35 VOLTS DC

Notes:

1.Power and ground wires require 18 AWG. All other wires require 22 AWG. Use 4-conductor, shielded wiring for runs over 30’ (9.1 m).

2.Refer to the GPSMAP 172/172C Owner’s Manual for wiring the GPS 17 sensor and other devices.

3.For runs over 30’ (9.1 m), the drain wire must be connected to the shielding of the extension run. Do not terminate the end of the shield drain wire.

NSTRUCTIONSI NSTALLATIONI