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CAUTION: Some boats have 24 or 36 Volt electrical systems. Make sure that your
HDR 650 is connected to a 12 VDC power supply. Use a voltage conditioner for
variable inputs.
NOTE: Humminbird® is not responsible for over-voltage or over-current failures. The
control head must have adequate protection through the proper selection and
installation of a 1 amp fuse.
7. Installing the Transducer
Proceed to Transducer Installation Overview for installation instructions. Before
you start installation, we encourage you to read the instructions carefully so that
you may understand the installation requirements.
1a. If a fuse terminal is available, use crimp-on type electrical connectors (not included) that
matchthe terminal on the fusepanel. Attach the black wire to ground (-),and the red wire
to positive (+) 12 VDC power. Install a 1 amp fuse (not included) for protection of the unit.
Humminbird® is not responsible for over-voltage of over-current failures.
or...
1b. If you need to wire the HDR 650 directly to a battery, obtain and install an inline fuse
holder and a 1 amp fuse (not included) for the protection of the unit. Humminbird® is not
responsible for overvoltage or overcurrent failures.
GROUNDGROUND
POSITIVEPOSITIVE
Inline Fuse Holder
8
Installation