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How do I find the wiring instructions for the West Marine 550 Radio to the 700s Garmin GPS for the DSC?

How do I wire them together?

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Check both manufacturers websites

Posted on Nov 11, 2014


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SOURCE: can i get a instruction manual 4 my garmin gps 45

Go to, click on support and in the drop down menue select manuals. Follow the instruction and you will be able to download your manual in PDF format of witch you will be able to print off or save on your pc.

Posted on Aug 12, 2010

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SOURCE: Connecting Garmin GPS 152 to VHF Radio Silva S15


From the S15 owners manual (Page 46):

The RED wire is GPS data,
The green wire is GPS ground.

Hope this helps and good luck!

Posted on May 08, 2010

  • 1 Answer

SOURCE: Garmin GPS 551s to Radio MTech/ mt500 which wires

Did you ever get an answer to this? I have the same set up and queerie!!

Posted on Jun 12, 2011

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What I did was got an aftermarket holder for the GPS and plugged it
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Where can we go to get a wiring diagram for the wires that exit the radio. The green and yellow are together and orange and brown are together. Then two black

I realize this question has been here forever, but I've included the link to the Owner's Manual in case anyone requires it. Page 5 shows which wires go to/from external equipment. Orange (+) and the small black (-) are for your external speaker. Green is + for gps data in while the brown is GPS ground. Yellow is not used.


Jan 27, 2012 | Uniden Solara dsc Vhf 2 way Marine Radio...

1 Answer

What colours do i use to link my 128 with my dsc radio


From your Owners manual (Page 59) The BLUE wire (Pin 3 NMEA out) from your GPS goes to the NMEA in wire of your DSC radio. The ground pin from your GPS is pin 2 (Black)

Just in case you've misplaced your manual, here's the link you need.

Hope this helps and Happy Boating!

Jun 16, 2011 | Garmin GPS 128 Receiver

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Connecting Garmin GPS 152 to VHF Radio Silva S15


From the S15 owners manual (Page 46):

The RED wire is GPS data,
The green wire is GPS ground.

Hope this helps and good luck!

May 08, 2010 | GPS

1 Answer

M402 didnt receive the gps signal transmitted by garmin 72 via nmea 2.0

Check the wiring again. Installing my M422 needed to switch the polarity of the NEMA input from my GPS75. May be similar problem

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2 Answers

I press dsc and see no change on the screen

Many VHFs will not acknowledge any of the DSC functions if the unit is not receiving position data. If the unit is correctly wired to a GPS or chartplotter and you can verify that it is receiving position information, then you may have a faulty radio.

Aug 08, 2009 | Uniden Solara DSC VHF Marine Radio

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I want to hook up an external speaker to the radio

you need to wire up the speaker to the orange and black wire. orange is speaker positive and black is speaker ground the other wires are as follows thick black= dc ground orange= external speaker positive black= external speaker ground green=gps data in brown= gps ground yellow= nc

Apr 08, 2009 | Uniden Solara Vhf Dsc Fixed Mount Radio

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Need marine chip for the 500 nuvi

you have to buy that chip seperately

Apr 06, 2009 | Garmin nuvi 500 GPS Receiver

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