Garmin TR-1 manual Electrical Layout

	Electrical Layout				Wire Connectors
					Red ( +)	( + )	Chart Plotter
				NMEA Out {
					Black (- )	( - )	} Overlay
				NMEA In # 1{	Yellow ( + )	( + )	NMEA IN*
			Compass				GPS #1
					White ( - )	( - ) }NMEA out*
			Ball	NMEA In # 2{	Blue ( + )	( + )	GPS #2
					Brown ( - )	( - )	}NMEA
					Green (GND)		out*
Shadow Drive Red			Brown			Not normally Used
						*Refer to your specific
		Black	Green			electronics manual for
						color codes or refer to
Warning						GPS connections on
		Black( - ) Blue (- )				pages 36-39
Horn
		Red ( + )	Orange ( + )	# 4

Remote/

Handheld

Hydraulic Pump

& Motor

		5
Do not extend	#
or splice these	Orange and Black Twisted Wire
wires

#3

#2

Tach Sensor

Blue ( + ) Port

Engine Tach

Black ( - ) ** Brown ( - ) STBD White ( + ) Engine Tach

Red and Black Twisted Wire

Black Battery

# 1

Deckmount

On/Off Switch

	Red
-	+

**

ECU

(Electronic Control Unit)

Note: For diesel engine installation, use the engine(s) alternator(s) tachometry output(s) as input(s) to the autopilot See Page 23-24

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