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wiring schematic for Raymarine C120?

Old 05-07-2008, 09:40 AM
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Default wiring schematic for Raymarine C120?

Hi all,
I will be installing a new C120 with GPS and DSM30. I had the b60 transducer professionally installed. I have a 272 Grady, 12vdc.

The Display and DSM30 require 12vdc with circuit breakers/fuses, but the install manual does not go into to much detail.

Also, i know red is power, black is ground, but how should the bare silver wire be connected.

Any schematic anyone has would be great!

Thanks!
-Dan
Old 05-07-2008, 11:35 AM
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Default RE: wiring schematic for Raymarine C120?

I believe the bare silver wire is another ground. I think it might be connected to the black(black having parts of it stripped inside the sleeve). I grounded my silver wire on myC-70and have no problems.
Old 05-07-2008, 11:40 AM
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Default RE: wiring schematic for Raymarine C120?

Be sure to install a switch for the DSM300. Other wise, it will always be on.
Old 05-07-2008, 01:51 PM
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Default Re: wiring schematic for Raymarine C120?

It goes to neg (blk) or to a ground plane.

I think I cut mine off and it works just fine. Boats north so I can't look.
Old 05-07-2008, 03:59 PM
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Default Re: wiring schematic for Raymarine C120?

that shield wire is actually just a drain wire on most power cables, and doesnt get connected to anything.


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