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7GPSMAP 3000 Series Installation Instructions
GPSMAP 3000 Series Chartplotter Wired to a GPS 17x
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-
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White
Green
Red
Black
Red
Black
White/
Orange
White
Gray
White/Red
Orange Orange
Unconnected
Garmin
GPSMAP 3000 Series
Chartplotter
GPS 17x
Wire
Color
Wire
Color
Fuse
1A
Fuse
3A
Battery
10-33 Vdc
Purple
GPSMAP 3000 Series Chartplotter Wired to a NMEA Device With Two-way Communication
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Garmin
GPSMAP 3000 Series
Chartplotter
Fuse
3A
Wire
Color
Red
Black
Gray (port 2)
Violet (port 2)
Brown (port 1)
Blue (port 1)
Power
Ground
NMEA TX/RX- (B)
NMEA Rx + (A)
NMEA Tx + (A)
NMEA Device with
Sonar Output/VHF
Radio with DSC
OR
Wire
Type
Battery
10-33 Vdc
+
-
>
>
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Fuse
3A
Wire
Color
Red
Black
Gray (port 2)
Blue (port 1)
OR
Power
NMEA RX- (B)
NMEA Rx + (A)
Wire
Type
Garmin
GPSMAP 3000 Series
Chartplotter
NMEA Device/
Autopilot (Input Only)
Battery
10-33 Vdc
GPSMAP 3000 Series Chartplotter Wired to a NMEA Device With One-way Communication
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1
4
6
7
8
9
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2
3
5
Pin 5: Ground (SG)
DB-9 Serial
PC Connector*
Fuse
3A
End view
*DB-9 serial PC connectors typically have pin numbers printed next to each pin.
Garmin
GPSMAP 3000 Series
Chartplotter
Battery
10-33 Vdc
Wire
Color
Red
Black
Brown (port 1)
Blue (port 1)
DB-9 Pin
Numbers
Pin 3: Transmit (TxD)
Pin 2: Recieve (RxD)
GPSMAP 3000 Series Chartplotter Wired to a DB-9 Serial PC Connector