Question about Garmin Color Fishfinder 160c
You only need the red and black wires to supply power to the unit. The red positive wire goes to a positive terminal on your battery or positive side of a bus bar or switch, the black negative wire goes to the negative terminal on the battery or negative common bus bar. Do not try to earth the black wire to an aluminum boat hull... You are asking for trouble! Best to run the black wire straight back to the negative battery terminal or negative bus bar that is wired to the negative battery terminal. The other colored wires on the 160C plug are used for interfacing with NMEA2000 compatible devices, like a compatible GPS.
Posted on Jun 15, 2009
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Posted on Jan 02, 2017
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