Question about Humminbird NS25 GPS Receiver

3 Answers

Gps ns25 started out saying disconnected then lost all power

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This is just a connection problem , better double check all connectuons....

Good luck.......

Posted on Aug 07, 2008

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Check all connections from source to unit that's all thank you...

Posted on Aug 07, 2008

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Please check the mount and the wiring throughly as its a loose contact issue nothing else.

Posted on Aug 07, 2008

  • 2 more comments 
  • Moses Clive
    Moses Clive Aug 07, 2008

    The cables for power, transducer and temp/speed accessories (if applicable)
    should be installed first and must reach the mounting location. Extension
    cables are available.
    · There are two ways to route the cables to the unit: through a
    hole in the mounting surface underneath the mounting bracket
    or from a hole outside the mounting bracket. Routing the cables
    down under the mount provides maximum weather protection;
    however this is not always feasible if the area under the
    fishfinder is inaccessible. In this case, route the cables through
    a hole at another location and cover with the supplied hole
    cover.
    · The mounting surface should be adequately supported to
    protect the fishfinder from excessive wave shock and vibration,
    and provide visibility while in operation.
    · The mounting area should allow sufficient room for the unit to
    pivot and swivel freely, and for easy removal and installation
    (Figures 18-19).
    Step Two - Connect the Power Cable to the Boat
    A 6’ (2m) long power cable is included to supply power to the
    fishfinder. You may shorten or lengthen the cable using 18 gauge
    multi-stranded copper wire.
    CAUTION: Some boats have 24 or 36 volt electric systems. Be
    sure your unit is connected to a 12 VDC power supply.
    The Power can be connected to the boat's electrical system at two
    places: a fuse panel, usually located near the console, or directly to the battery.
    If a fuse terminal is available, use crimp-on type electrical connectors (not
    included) that match the terminal on the fuse panel. Attach the black wire to
    ground, and the red wire to 12 VDC power (Figure 20). Be sure to use a one amp
    fuse in the connection. If you must wire the control head directly to a battery, be
    sure to install an inline fuse holder

  • Moses Clive
    Moses Clive Aug 07, 2008

    and one amp fuse (not included) for the protection of the unit

    Humminbird is not responsible for over voltage or over current failures.
    In order to minimize the potential for interference with other
    marine electronics a separate power source (such as a
    second battery) may be necessary.
    Step Three - Drill the Mounting Holes
    1. Set the mounting bracket in place on the mounting
    surface. Mark the four mounting screw locations with a
    pencil or punch.
    2. Set the mounting bracket aside, and drill the four
    mounting screw holes using a 9/64” (3.6mm) bit.
    Step Four - Run the Cables
    1. If the cables must pass through a hole underneath the
    mounting surface, mark and drill a 1” (25mm) hole
    centered between the four mounting holes (Figure 22).
    Note: if the cables must pass through the mounting
    surface at a different location, drill the 1" (25mm) hole at
    that location and pass the cables through from
    underneath. Also, you must break out the tabs on the
    rear of the mounting base using needle nose pliers
    2. Insert all cables through the 1” (25mm) hole from beneath
    the mounting surface.
    3. Pass the cables through the grommet (if the cable hole is
    underneath the mounting bracket) then press the grommet
    in place around the cables and into the 1” (25mm) hole.
    4. Pass the cables through the mounting base, out the top of
    the mounting bracket.
    5. Place the mounting bracket on the mounting surface aligned with the drilled
    holes. Insert the four flathead wood screws into the mounting holes and
    tighten fully

  • Moses Clive
    Moses Clive Aug 07, 2008

    Optional: If the cables pass outside the mounting bracket, install the hole
    cover over the hole and fasten in place using the two #8 x 7/8” (22mm)
    wood screws

  • Moses Clive
    Moses Clive Aug 07, 2008

    Step Five - Assembling the Connector Holder
    1. Insert the cable connectors into the connector holder.
    The cable connectors are labeled, and there are
    corresponding labels on the connector holder (Figure
    26). The slots for the connectors are keyed to prevent
    reverse installation, so do not force the connector into
    the holder.
    2. Carefully pull the excess cable from beneath the -
    mounting surface so the connector holder aligns with the
    mounting holes on the front of the mounting bracket
    (Figure 27).
    3. Snap the support plate to the rear of the connector
    holder .
    4. Insert the connector holder into place and use the two
    #6-32 x ¾” (9mm) screws to fasten it to the mounting
    bracket (Figure 28).
    5. Install the control head by sliding it onto the mounting
    bracket until it is fully seated. To remove the unit simply
    depress the latch on the rear of the unit and lift
    Your Humminbird is now ready for operation.

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