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Originally Posted by F-2 Speedy
(Post 4769197)
and you have a gps speedo you can hook it to the blue wire in the harness of the garmin
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Originally Posted by CDShack
(Post 4769237)
I'm doing a Garmin 742, so connecting the blue wire from the speedo does what? Ties the speedo to the Garmin, or ties the Speedo's external antenna to the Garmin (to share antenna)?
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Originally Posted by F-2 Speedy
(Post 4769240)
If you dont have an external antenna you can hook your gps speedo to the blue wire of the garmin cable to the speedo, so it uses the internal antenna of the garmin to run the speedo
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No antenna needed. The Garmin 942 works great with the internal antenna. Very happy with the unit
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Anybody want a Raymarine A60? All wiring-antenna-transducer-sonar box. Works well. Pay the freight
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