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C-3
C.2 ELECTRICAL WIRING
The GPS 55 power/data cable allows you to connect the unit to vehicle power
systems, other electronics, and a remote alarm/beeper. The harness will
plug into the connector located on the rear panel of the GPS 55. (Note that
the white wire and the red/black stripe wire are not functional and should not
be connected.)
To connect to vehicle power systems...
· Connect the RED harness lead (with fuse) to the positive (+) side of a
5-40 volt DC power source.
· Connect the BLACK harness lead to the negative (-) side of the 5-40
volt DC power source.
The GPS 55 will drive a remote alarm or relay that requires no more than 100
milliamps of current. (WARNING: Devices which draw current in excess of
100 milliamperes may damage your unit and will void your warranty. Consult
the instructions included with the remote alarm or relay for current drain
information.)
To connect to a remote alarm system...
· Connect the BLUE harness lead to the negative side of a transistor
alarm or relay switch.
· Connect the positive side of the alarm or relay to the positive side of
the 5-40 volt DC power source.
The GPS 55 may be connected to other electronics such as a marine
autopilot or plotter which use an NMEA 0180, NMEA 0182 or NMEA 0183