19 Cable Installation
8a. Main Switch/Fuse Panel: If a fuse terminal is
available, use crimp-on type electrical connectors
(not included) that match the terminal on the
fuse panel. Attach the black wire to ground (–),
and the red wire to positive (+) 12 VDC power,
and the drain/shield wire to the boat’s chassis
ground terminal. Install a 2 Amp fuse (not
included) for protection of the unit.
OR
8b. Battery Switch: Install the battery switch (not included) using the instructions
provided with it. You will also need to obtain and install an inline fuse holder
and a 2 Amp fuse (not included) for the protection of the unit. Attach the black
wire to ground (-), the red wire to positive (+) 12 VDC power, and the drain/
shield wire to the boat’s chassis ground terminal.
CAUTION
If you are unable to obtain a battery switch and are forced to connect the power cable
directly to the battery, be aware that this will drain the battery. Humminbird does
not recommend connecting to a battery without the appropriate fuse and a switch.
NOTE
The drain/shield wire is the non-tinned black wire.
9. Secure the cables along the route as needed for a clean assembly.
Connecting to the Fuse Panel
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