Northstar EXPLORER 550/550i Installation and Operation Manual
55
BlackBlack
Power/data cable
Red
Yellow
Black
External beepers or
lights
Main switch
12 /24V DC
Fuse 2A
The power/data cable has a black locking collar and flying leads.
1 Wire the EXPLORER for auto power to have the EXPLORER turn on with the boat’s ignition switch
or to record engine hours or to record the total fuel used. Otherwise wire for basic power (for more
information, see section 2-2).
Basic power
Power/data cable
Yellow
Red
Black
Ignition
Ignition switch
Main switch
12/24 V DC
Fuses 2A
Power/data cable
Red
Green
2 Wire any external alarm beepers or lights.
The alarm output switches to ground to
sound the alarm. If the current is more than
200 mA, fit a relay.
3 Connect the power/data cable to the black
display unit connector; turn the collar to
lock the connector.
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BlackBlack
15-4 Installation: Power/Data cable
Auto power
During setup, set up Auto power off (see sections 2-2 turning on and off and 14-1 Setup system)
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