ENGPS 17x NMEA 2000 ® Installation InstructionsThe Garmin GPS 17x NMEA 2000 high-sensitivity GPS antenna provides position informationto your existing NMEA 2000 network. If you do not have an existing NMEA 2000 ® network onyour boat, you will need to install one. For more information about NMEA 2000, visitwww.garmin.com.The GPS 17x antenna must be properly installed according to the following instructions.You need the appropriate fasteners, tools, and mounts listed in each section. These itemsare available at most marine dealers. Always wear safety goggles, ear protection, and a dustmask when drilling, cutting, or sanding. When drilling or cutting, always check what is on theopposite side of the surface.If you experience difficulty installing the unit, seek the assistance of a professional installeror contact Garmin Product Support by phone at 913/397.8200 or 800/800.1020. Go towww.garmin.com/support/ for more information. In Europe, contact Garmin (Europe) Ltd.at 44/0870.8501241.WARNING: See the Important Safety and Product Information guide in the product box forproduct warnings and other important information.Product RegistrationHelp us better support you by completing our online registration at www.garmin.com/registration/.For future reference, write the serial number assigned to your GPS 17x in the space provided. Itis located on a sticker on the back of the unit.Serial numberPacking List and AccessoriesBefore installing your unit, confirm that your package includes the following items. If any partsare missing, contact your Garmin dealer immediately.Standard PackageGPS 17x AntennaSurface-mount bracketPole-mount bracketUnder-deck mount bracketMounting hardware (screws and adhesive pads)NMEA 2000 T-connector and terminatorsNMEA 2000 drop cable 6.5 ft. (2 m)Installation instructionsOptional AccessoriesAdditional NMEA 2000 networkcomponents•••••••••Tools NeededDrillDrill bit—surface-mount pilot-holes (see table)Drill bit—3/4" (19 mm) pole-mount cable-holeHole saw, 1 in (25 mm)—surface-mountcable-holeScrewdriver—surface mount screwsCenter punch and hammer(to mark surface-mount pilot holes)Countersink bit (when mounting onfiberglass)Marine sealant (for some mountingoptions)••••••••Material Material Thickness(in.)Material Thickness(mm)Hole Size(in.)Hole Size(mm)Hole Size(Drill Number)Aluminum alloysheet metalfrom 1/32 to 5/64 from 0.76 to 2.03 .128 3.25 30from 3/32 to 3/8 from 2.28 to 9.52 .147 3.73 26Fiberglass—all thicknesses .140 3.56 28High Density Plastic—all thicknesses .125 3.17 1/8Plywood (resin impregnated)—Professional installationrecommended.144 3.66 27Pilot Hole Size TableFebruary, 2008 190-00886-90 Rev. B Printed in Taiwan