BEGINNING INSTALLATION
Now that you have determined the transducer mounting method, you can
begin installation of the 425SX. The fold out installation guide included
provides detailed step by step instructions for installation of the control head
and transducer. For transom mount transducer installations, you will need the
mounting template at the back of this manual.
In addition to the parts included you need the following for installation and
operation:
• A powered hand drill and various drill bits
• Phillips and flat-head screw drivers
• A ruler or measuring tape
• Pen or pencil
• 12 volt power source (your boat’s battery)
• A 1-amp fuse
• A fuse holder (if you are wiring directly to the boat’s battery)
• Silicone sealant (for sealing drilled holes)
• 2-part, slow-cure epoxy (for inside the hull transducer installations)
INSTALLATION PREPARATION
BEGINNING INSTALLATION5Note: If you have purchased the 425SX+you will have in addition
to the parts and instructions above:
• Speed and Temperature sensors
• Instructions for installing speed and temperature sensors
• Appropriate hardware to mount sensors