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Garmin GSD 20 Support Question

Garmin GSD 20 Support Question

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Question posted by pjformula on July 5th, 2017

What Wires Go To What Pins On The Gsd 20 Transducer Connection? I Believe I May

I believe I may have an incorrect connection sequence inside the GSD 20 at the transducer connection. I continue to get a "check wiring" error but I have correctly checked the wiring for the installation several times and all is good. Even had the local boat shop confirm the wiring connection and the transducer selection.

Current Answers

Answer #1: Posted by BusterDoogen on July 5th, 2017 8:56 AM
This answer was accepted by the poster of the original question.
BusterDoogen

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Start on page 3 for the schematic of each type of connection.

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Related Garmin GSD 20 Manual Pages

Installation Guide - Page 1

GSD 20 Sounder Module installation instructions
Installation Guide - Page 2

...grants permission to download a single copy of this manual onto a hard drive or other electronic storage medium to be viewed and to notify any person or organization of this copyright notice ... is subject to any revision hereto, provided that such electronic or printed copy of this document is warranted to installation errors, abuse, misuse, accident, or unauthorized alteration or repairs...
Installation Guide - Page 3

...GSD 20 is an intelligent, remote sounder module designed to include powerful features as the eyes and ears of your new sonar. If any items are critical to read through this installation guide. Included Equipment: • GSD 20... Transducer Connector Mounting Holes GSD 20 Sonar Module 1 It may interface to multiple head units, providing for the GSD 20 Optional Transducers The transducer ...
Installation Guide - Page 4

... sealant to secure the cable along the route and through your Garmin dealer. 2 GSD 20 Sonar Module Use 22 AWG, 4-conductor shielded cable for data cable and 18 AWG for...GSD 20 module: 1. Once the GSD 20 module has been installed, connect the power/data and transducer cables to the mounting location using the appropriate fasteners. 3. Avoid mounting the module where it can extend the wiring...
Installation Guide - Page 5

...' (9.1 m), the drain wire must be connected to the shielding of the shield drain wire. 4. GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 2006/2006C/2010/2010C/3005C/3006C/3010C FUSE 5 A WIRE COLOR RED BLACK ORANGE WHITE/BLUE WHITE/BROWN WIRE COLOR RED FUSE 2 A BLACK ORANGE WHITE/BLUE WHITE/BROWN GARMIN GSD 20 SOUNDER MODULE TO TRANSDUCER BATTERY 10...
Installation Guide - Page 6

... devices. 3. INSTALLATION INSTRUCTIONS 4 GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A DUAL GPSMAP 2006/2006C/2010/2010C *This diagram does not apply to the GPSMAP 2006/2006C/2010/2010C Installation Instructions for runs over 30' (9.1 m), the drain wire must be connected to the shielding of the shield drain wire. 4. Power and ground wires require 18 AWG...
Installation Guide - Page 7

...' (9.1 m). 2. GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 276C/296/376C/396 INSTALLATION INSTRUCTIONS ON OFF FUSE 1.5A WIRE COLOR RED BLACK BLUE YELLOW SEE NOTE 3 ON OPTION 1 OFF WIRE COLOR RED FUSE 2A BLACK WHITE/BLUE WHITE/BROWN ORANGE BATTERY 10-35 VOLTS DC SEE NOTE 3 OPTION 2 GARMIN GSD 20 SOUNDER MODULE TO TRANSDUCER...
Installation Guide - Page 8

..., install a switch between the Orange wire and ground. The GSD 20 turns on . For runs over 30' (9.1 m). 2. Use 4-conductor, shielded wiring for the GSD 20 to power on or off when power is switched on the Red (+) wire, connect the Orange wire to the Orange wire. INSTALLATION INSTRUCTIONS ON OFF 6 GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 182/182C...
Installation Guide - Page 9

... run. Use 4-conductor, shielded wiring for wiring the GPS 17 sensor and other wires require 22 AWG. Refer to the GPSMAP 172/172C Owner's Manual for runs over 30' (9.1 m), the drain wire must be connected to the shielding of the shield drain wire. For runs over 30' (9.1 m). 2. INSTALLATION INSTRUCTIONS 7 GSD 20 Sonar Module BASIC WIRING FOR THE GARMIN GSD 20 TO A SINGLE GPSMAP 172...
Installation Guide - Page 10

..., off for 1/10 second (very fast blink) Status GSD 20 is servicing one directly wired connection and the display device is operating properly. If the cause is connected and this state, the GSD 20 does not transmit any sonar signals and is not sending out any sonar information to clear the error. The display device gives a message indicating the type...
Installation Guide - Page 11

... Power: 500 watts (RMS) 4000 watts (peak to 70°C) Power Source: Usage: Fuse: 10-35 Vdc 18 watts max. INSTALLATION INSTRUCTIONS GSD 20 Sonar Module 9 Data Output Source: Proprietary Garmin data format. Physical Specifications Size: 6.75" L x 4.75" W x 2.00" H (17.2cm x 12.1cm x 5.1cm) Weight: 1.5 lbs. (.680Kg) Case: ...

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