Question about Humminbird NS25 GPS Receiver
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Posted on Jan 02, 2017
SOURCE: Humminbird NS25 GPS
This is a common problem on lots of boats with any brand of electronics. Most likely it is being caused by a bad crimp in a wire connector, or by having too many connectors on a terminal in the power supply bus. Start at the power supply source and ground and replace any butt or terminal connectors with high quality heat shrink connectors (such as Ancor). Make sure that the connector is the right size for the wire.
On Humminbirds the problem could also be in the swivel mount that holds the power and data cables. The cables should be held in place by a metal bracket which is located under a panel held onto the swivel bracket by to small philips head screws. If any of those components are missing, the plug may be loose in the socket which could cause it to disconnect temporarily when the boat hits a wave. While you have it apart check the plug and the socket for corrosion.
I hope this helps. Please contact me if you have any more questions.
Posted on Feb 11, 2008
SOURCE: gps ns25
The wiring within the Screen unit seems to be very poorly done, there are 4 cables to the GPS side of things and these can contact each other as there is a portion of the wire where it enters the connector that is bare, and if these touch one another then you will get nothing.
Dismantle the head unit and check the cables, i would be inclined to shrink wrap the bare portion of each cable.
Hope that this helps, it might not be the answer, but it is worth checking.
Posted on Dec 18, 2008
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