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Installing Locking Rings on the Cables

Before you install locking rings on the cables, you must route the cables.
To help make the cable-routing process easier, the locking rings are packaged separately from the cables. Each 
locking ring is packaged in a small bag with a number on the label for easy identification.
Separate the two halves of the locking ring  .

Align the two halves   of the locking ring over the cable and snap them together.
Insert the o-ring   into the end of the connector.

Transducer Wiring Diagrams

NOTICE

Connecting the high-frequency wires to the low-frequency terminal block, or the low-frequency wires to the 
high-frequency terminal block, damages the device and the transducer.

You can use these diagrams to identify the connection points for your transducer wires on the GSD 26 terminal 
block. Locate your CHIRP/spread spectrum transducer model in the wiring color tables (

Transducer Wire Color 

Tables, page 11

) for more information.

The outer shield wire must connect to one of the two screw posts below the terminal block using the included 
ring crimp terminal. When connecting two single-element transducers, you must connect the second transducer 
to the duplicate set of connections on the right side of the terminal block.
TIP: The primary transducer cable wire housing covers the wiring bundles. To identify the wiring groups in the 
bundles more easily, you can remove up to an inch of the cable housing.

6

GSD 26 Installation Instructions

Summary of Contents for GSD 26

Page 1: ...ection and a dust mask when drilling cutting or sanding NOTICE When drilling or cutting always check what is on the opposite side of the surface This equipment must be installed by a qualified marine...

Page 2: ...berglass with screws it is recommended to use a countersink bit to drill a clearance counterbore through only the top gel coat layer This will help to avoid any cracking in the gel coat layer when the...

Page 3: ...gn the notch on the end of the power cable with the power port on the device and press the cable into place 6 Tighten the locking ring 7 Repeat steps 4 and 5 for the network cable and connect the devi...

Page 4: ...Transducer Wire Color Tables page 11 for specific examples of Garmin wire colors 1 Connect the uninsulated section of each wire to the terminal block using a 3 mm flat screwdriver 2 Connect the bare s...

Page 5: ...is ground post to the boat water ground circuit NOTE The boat battery ground is an acceptable alternative if your vessel does not have a designated water ground circuit 2 Mount the sounder Mounting th...

Page 6: ...e high frequency terminal block damages the device and the transducer You can use these diagrams to identify the connection points for your transducer wires on the GSD 26 terminal block Locate your CH...

Page 7: ...Single Element CHIRP Spread Spectrum GSD 26 Installation Instructions 7...

Page 8: ...Dual Element CHIRP Spread Spectrum with Temperature and XID NOTE The temperature and XID wires can be connected at either location 8 GSD 26 Installation Instructions...

Page 9: ...Dual Element CHIRP Spread Spectrum with XID NOTE The XID wires can be connected at either location GSD 26 Installation Instructions 9...

Page 10: ...Dual Element CHIRP Spread Spectrum with Separate Temperature Sensor NOTE The temperature and XID wires can be connected at either location 10 GSD 26 Installation Instructions...

Page 11: ...Separate Speed Sensor NOTE The XID wires can be connected at either location Transducer Wire Color Tables You can use these tables to help identify wire functions on certain Garmin or Airmar transduc...

Page 12: ...1 Bare Black White Brown NA White Orange Blue Bare Black Bare Airmar B175H NA NA NA Brown NA White Orange Blue Bare Black Bare Airmar B175L Blue White Bare Black White Brown NA White Orange NA NA NA B...

Page 13: ...ce to clear the error Specifications Size L x W x H 274 x 373 x 100 mm 10 8 x 14 7 x 3 9 in Weight 5 16 kg 11 37 lb Case material Fully gasketed aluminum and steel housing with plastic access panel wa...

Page 14: ...2014 2022 Garmin Ltd or its subsidiaries support garmin com...

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