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Garmin Autopilot Installation

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We are preparing to install a Garmin Autopilot on Our 2018 R222EX with existing Garmin 942xs chartplotter.


Reactor 40 Hydraulic Autopilot w. GHC 20 corepact, including shadow drive sensor and a 1.2L Pump

We plan to mount the ECU and pump AFT and power directly from battery as recommended by Garmin.

The rest of the equipment will be located in the center console.The console has a VacFlush head installed.

The installation will require one cable running from the ECU/Pump located AFT to the CCU mounted in the console. My question is! What the best route to fish the cable? I see there is a panel behind the head that has the VacFlush control switch. Might there be access under the deck to for a cable? I'm hoping someone  with experience knows how I can route this cable. A hull wiring diagram would be most welcomed!

Thanks in advance for your help and have a great day.

..... Rod



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