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TROLLING MOTOR TRANSDUCER Installation Guide
3
| Route the Cable
As you route the cable from the trolling motor to the boat, it is important to secure the cable to the
trolling motor shaft using the cable ties provided to prevent the cable from getting pinched or cut
when the motor is stowed or deployed. As you route the cable to the control head, leave sufficient
slack in the cable to allow for full movement and retraction of the trolling motor during normal
operation.
NOTE: Your boat may have a pre-existing wiring channel or conduit that you can use for the
transducer cable.
1. Confirm the cable is long enough to accommodate the planned route.
2. Route the transducer cable around the side of the motor housing and secure it to the motor
shaft using the plastic cable ties which have been provided.
3. Route the transducer cable to the control head.
CAUTION! Do not cut or shorten the transducer cable, and try not to damage the cable insulation.
Route the cable as far as possible from any VHF radio antenna cables or tachometer cables to
reduce the possibility of interference. If the cable is too short, extension cables are available to
extend the transducer cable up to a total of 50' (15 m). Contact Humminbird Technical Support for
details.
CAUTION! Do NOT mount the cables where the connectors could be submerged in water or flooded.
If cables are installed in a splash-prone area, it may be helpful to apply dielectric grease to the
inside of the connectors to prevent corrosion. Dielectric grease can be purchased separately from
a general hardware or automotive store.
Excess Cable: If there is excess cable that needs to be gathered at one location, dress the cable
routed from both directions so that a single loop is left extending from the storage location. Doubling
the cable up from this point, form the cable into a coil. Storing excess cable using this method can
reduce electronic interference.
4
| Connect the Cable
1. Connect the transducer cable to the transducer port on the control head or the transducer
slot on the cable tray (if applicable).
If the cable connector is round, hand-tighten the screw nut to secure the cable connection.
Hand-tighten only!
NOTE: The cable connectors are labeled, and there are corresponding labels on the cable collector
and control head. The connectors are keyed to prevent reversed installation, and insertion should
be easy. Do not force the connectors into the ports.
NOTE: See your control head installation guide for details.
5
| Test and Finish the Installation
When you have installed both the control head and the trolling motor transducer, and have routed
all the cables, you must perform a final test to verify installation. Testing should be performed with
the boat in water deeper than 2 feet. The transducer should be fully submerged because the sonar
signal cannot pass through air (and air pinging can damage the transducer).
NOTE: Make sure the trolling motor is re-connected to the power source before performing this
procedure.
1. Power on the control head.
2. Select a 2D sonar view to display on-screen.
If the bottom is visible on-screen with a digital depth readout, the transducer is working properly.
530511-8_A
Routing the Cable
slack in cable
cable ties
Transducer
Connectors
Hexagon-Shaped
Round
Connector
Connector
3
screw
nut
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