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2

Secure the transducer cable to the motor shaft or other 

secure location.

3

Route the transducer cable to the installation location of the 

sonar module while taking these precautions.
• You should not route the cable close to electrical wires or 

other sources of electrical interference.

• You must route the cable so it is not pinched when the 

trolling motor is deployed or stowed.

4

Position the transducer to your desired angle (

Trolling Motor 

Shaft Orientation

, page 3

).

Trolling Motor Shaft Orientation

The angle of installation depends on the side of the trolling 

motor shaft you mount the bracket on, and your desired field of 

view.

TIP: 

No tools are necessary to change the orientation from 

forward to down. Turn the mount one click to change the 

orientation from forward to down.

À

Port side, forward view

Á

Port side, downward view

Â

Starboard side, forward view

Ã

Starboard side, downward view

Installing the Transducer on a Transom

Assembling the Transom-Mount Hardware

1

Attach the transducer mount bracket 

À

 to the transducer 

Á 

using the mounting screws 

Â

 and lock washers 

Ã

.

2

Attach the transducer mount bracket to the transom mount 

bracket 

Ä

 using the bolts 

Å

, flat washers 

Æ

, and lock nuts 

Ç

.

NOTE: 

The recommended torque applied to the screw is 

15 lb-ft. (20 N-m).

NOTE: 

If the transducer causes excessive spray when 

mounted to the transom, you can purchase a deflector to 

install between the transducer and mount bracket. Go to 

buy.garmin.com

, or contact your Garmin dealer for 

information about optional accessories.

Installing the Transom-Mount Hardware

NOTICE

If you are mounting the bracket on fiberglass 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 cracking in the gel-coat layer when the screws are 

tightened.

1

Place the transducer mount so the top of the transducer is 

under the transom.

2

Using the transom mount as a template, mark the location of 

the pilot holes.

3

Wrap a piece of tape around a 4 mm (

5

/

32

 in.) bit at 19 mm 

(

7

/

10

 in.) from the point of the bit, to avoid drilling the pilot 

holes too deep.

4

If you are installing the bracket on fiberglass, place a piece of 

tape over the pilot-hole location to reduce cracking of the gel 

coat.

5

Using the 4 mm (

5

/

32

 in.) bit, drill the pilot holes approximately 

19 mm (

3

/

4

 in.) deep at the marked locations.

6

Apply marine sealant to the included 20 mm screws.

7

Using the three 20 mm screws 

À

, attach the transducer 

mount to the transom.

8

If you must route the cable through the transom, choose a 

pilot-hole location well above the waterline and mark it.

9

If you marked a pilot hole in step 8, use a 32 mm (1 

1

/

4

 in.) 

hole saw to drill a pass-through hole completely through the 

transom.

10

Route the transducer cable to the sonar module:
• If you are routing the cable using a pass-through hole, 

push it through the hole you drilled in step 9.

• If you are not routing the cable using a pass-through hole, 

route the cable up and over the top of the transom .

You should avoid routing the cable close to electrical wires or 

other sources of electrical interference.

Transom Mount Orientation

If necessary, to reduce spray you can install an optional splash 

guard, available at 

buy.garmin.com

 or from your Garmin dealer.

3

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