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Garmin Montana Marine Mount with Power Cable

Use your GPS handheld on your boat

Item # 1501288102

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Item # 1501288102

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About the Garmin Montana Marine Mount with Power Cable

Dominic DeVito

Mount your Garmin Montana while on the water

Your Garmin Montana GPS handheld device can be a real life-saver on land, and it can be just as handy on your boat. This marine mount kit includes a cradle, hardware, and cable with bare power, audio, and data wires. Mount your Montana (portrait mode recommended for the 700i and 750i) securely on your favorite seafaring craft and you're ready for adventure. Compatible devices include the Montana 700, 700i, and 750i. Warranty: 1 year.

What's in the box:

  • Cradle for Montana 700 series navigator with attached 74" power cable (in-line 3A ATM mini-fuse) and audio cable (3.5mm jack)
  • Security screw tool
  • Swivel bracket assembly (swivel base / bracket / screw knob / long mounting knob / spacer)
  • Instructions
MFR #010-12881-02

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More details on the Garmin Montana Marine Mount with Power Cable

Mark G.

Product Research


Overview: The Garmin Montana 700-series handheld GPS navigators can be mounted in several different vehicles and vessels. This Marine Mount (010-12881-02) lets you install the device on the your boat. The mount includes a cradle that tilts and swivels for best viewing. The attached power cable supplies 12-volt power, ground, and serial data connections, plus an audio jack.

Swivel Bracket: The Marine Mount includes a swivel base that can rotate in either direction. The cradle attaches to the base along a horizontal shaft, allowing it to tilt approximately 150° (10° forward/140° backward). The swivel base does NOT include mounting hardware. You will need to supply three #8 (4mm) pan head machine bolts (with nuts and washers), or three #8 (4mm) pan-head self-tapping screws. If bolts and nuts are used, a 5/32" (5mm) drill bit will be needed for drilling the bolt holes. If you're using self-tapping screws, a 1/16" (1.5mm) drill bit is needed for drilling starter holes.

Security Screw: The mounting cradle is equipped with a T-10 Torx security screw to help prevent theft of the device. A Torx security tool is included for tightening or loosening the security screw.

Wiring Harness: The mounting cradle has an attached 74" cable for hardwiring the mount to the boat's wiring. The cradle's 6 pins match the metal contacts on the back of the Montana device. When the device is not connected to the cradle, a rubber cover is provided for protecting the cradle's contact pins from the elements. The wiring harness has the following wire connections:

  • Red: Power (+) (has an inline 3A ATM mini-fuse)
  • Black: Ground (-)
  • Yellow: Serial data input
  • Blue: Serial data output
  • Green: Serial ground wire
  • Audio Jack: female 3.5mm connector
Note: The wires should not be run near high-heat sources.


  • Fuse: 3A
  • Input Voltage: 10-30 Volts
  • Input Current: 1.5A Max.
  • Input Current w/o device installed: 0.5 mA Max.
  • Operating Temperature Range: -4° to 140°F (-20° to 60°C)

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