Installing Your Fishfinder

Installing the Wiring Harness

The Fishfinder comes with a wiring harness that connects the Fishfinder to power and the transducer with one easy-to-remove connection. If it is necessary to extend the power wires, use 22 AWG wire. DO NOT cut the transducer cable, because this voids your warranty. If your boat has an electrical system, you might be able to wire the Fishfinder directly to an unused holder on your current fuse block. If you are using the boat’s fuse block, remove the in-line fuse holder supplied with the Fishfinder. You can also wire the Fishfinder directly to the battery.

CAUTION: The Fishfinder input voltage is 10–18 volts DC. Do not exceed this voltage, because this can damage the Fishfinder and void the warranty.

To install the wiring harness:

1.Determine the polarity of the power source using a test light or volt meter.

2.Install the red (+) wire on the positive fuse holder or battery terminal.

3.Install the black (-) wire on the negative fuse holder or battery terminal.

4.Install a 2 Amp fuse in the fuse holder (fuse block only).

5.Align the notches on the cable plug and on the back of the Fishfinder. Insert the cable into the connector and turn the lock ring counter-clockwise until it stops.

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Fishfinder 90/140 Owner’s Manual

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12/2/2011 3:08:58 PM