I
I
NSTALLATION
NSTRUCTIONS
Wiring and Cables
The GPSMAP 3005C comes with an 18-pin Power/Data cable. Optional Garmin Marine Network components use specialized Garmin Network
Cables. For some installations, it may be necessary to drill 1.25" (31.7 mm) holes to route the connector end of the cables. Garmin rubber
grommets are provided to cover the installation holes (see below). Wiring instructions are found on the following pages. If you experience
difficulty installing the unit, please contact an installation professional.
The grommets may not be needed in some installations. The grommets do NOT create a waterproof seal. Apply a marine sealant after
installation to weatherproof around the grommet and cable. Additional grommets may be purchased from your Garmin dealer or direct from
Garmin. Be sure to test the system before installing the grommets.
Tools
• Drill
• 1.25" (31.7 mm) paddle drill bit or hole saw
• Pencil
• Utility knife
• Marine sealant (optional)
To install the Cable Grommet:
1. Mark the location where the Power/Data cable or Marine Network cable is to route through.
2. Using a 1.25" (31.7 mm) paddle drill bit or hole saw, drill the installation hole.
3. Refer to the diagram below for trimming instructions. Carefully trim the cable hole as needed.
4. Route the cable to the unit.
5. Spread the grommet apart at the split and place it around the cable (see below).
6. Firmly push the grommet into the installation hole until it is seated. Apply marine sealant, as needed, to weatherproof the cable.
Trim out this line for the
Marine Video cable.
Use this hole (no trim) for the Power/Data,
6
Marine Network, or GPS 17 cable
Split
GPSMAP 3005C & GPS 17
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