Raymarine SL72 Owner's Handbook Manual page 218

Appendix B: Using the Auxiliary Junction Box
Autohelm GPS, Z260 and Z273
To connect your GPS to your display connect the wires as shown in the first
illustration below.
To connect your Differential Beacon Receiver, you must cut off the 5-pin
connector (Raytheon and Apelco versions) strip back the insulation on all the
wires and connect to the Auxiliary Junction Box as shown in the second
illustration below.
CAUTION:
Ensure the correct polarity of the 12 V supply before applying display or
SeaTalk power. It is recommended that a multimeter is used to check the
connections.
To Display Unit
SeaTalk Socket
Black
12V
Power
Supply
(fused) Red
To Display Unit
SeaTalk Socket
Black
12V
Power
Supply
Red
(fused)
B-3
Black
Red
From
Green
GPS
Yellow
sensor
White
Brown
D4297-3
Black
Red
From
Green
GPS
Yellow sensor
White
Brown
Black
Red
From
the
Yellow
DBR
White
Green
D4298-3