Hardware pinouts information and cables schemes

Garmin GPS eTrex, eMap, Geko connector pinout

GPS connector or cable wiring scheme

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4 pin connector, found on the back cover.

4 pin Garmin special connector layout

4 pin Garmin special connector
at the back of unit



Pin Name cable color
1V+ (power in)maximum of 3.15V, recommended 3V
2data in (RS232 Rx)green
3data out (RS232 Tx)white
4groundblack

May be connected directly to PC serial port

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Pinouts.ru > GPS receivers connectors pinouts listing >  Pinout of Garmin GPS eTrex, eMap, Geko connector and layout of 4 pin Garmin special connector
Document status: correct
Source(s) of this and additional information: www.garmingps.com 5 reports
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