Question about Raymarine C80 GPS Receiver

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I bought a C80 Raymarine Plotter this has a NMEA pigtail with Brown, Screen, Yellow, Green And White wires I haave also bought a RS 125 Receiver this has a pigtail lead with Red , Green, Yellow, Brown and Screen I would like to to which each of these should be connected if at all. OR should I use the Seatalk connection. If I use the Seatalk then do I use the NMEA for the Autohelm Roger

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I would send your seatalk (Yellow and black) from your c80 to a junction box, send your rs125 to the junction box and another pig tail seatalk lead to the J-box coming from the autopilot. Now...on the raystar 125 connect the green wire to red, and the brown to black. Now connect the reds together, the shields and blacks together and finally the yellow's. The autohelm should power up the seatalk bus enough for your gps to work. the c80 offers power from seatlk but don't connect it's red wire.



Autohelm ---------------[ ]----------------GPS
|
C80---------------------------

Many times the shield is the silver wire we call it that since it has no other coating except its occasionally heat shrinked on the end.

RS125 -------Green------------------------0-------------RED------------ + power
--------RED------/

--------Yellow-----------------------0-------------Yellow---------- Data
--------Black------------------------0-------------Shield----------- -Power
--------Brown---/

Posted on Jan 22, 2010

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You can use either NMEA or SeaTalk to connect the GPS, iand you can use the SeaTalk for both GPS and pilot.By using SeaTalk you will also supply the GPS with 12V directly.
SeaTalk Connect:
(plotter) yellow - yellow (gps)
(plotter) red - red&green (gps)
(plotter) black/grey - black/grey (gps)
And for pilot connect color to color.

Posted on Sep 23, 2009

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If you have a Raymarine pilot it makes sence to wire it all up to Seatalk. Wire as follows Red to red , silver to silver, yellow to yellow, brown(on rs125) to silver on seatalk buss Green (on rs125) to red on seatalk buss.The above is for the conection between RS125 and C80.
To hook the pilot to system you just need to hook the seatalk lines (red, yellow,silver) from the pilot to the conection with the RS125 and the seatalk cable to the C80.(Color for color).The sea talk connection for your pilot can be picked up from you course computer they are labeld and colored on the unit.
If you are not running a course computer as in the case with the older wheel and tiller pilots you will need to take a sea talk cable and cut it. Once it is cut you will see the red yellow and silver wires and you can tap into there . Remember to connect the cable back together were you cut it. Hope this helps

Posted on Jun 15, 2009

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All Greek to me, have fun

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