Originally Posted by tractors1
Any fiberglass boat repair facility could install the antenna and run the 12V feeds.
On the 21 if the antenna will be on the driver side I would pick up the 12V off the converter and run it up the rear driver side corner. You can pull the pad away from the corner enough to tuck it behind the pad.
For a passenger side install I would pick up the 12V and ground from the battery or any 12V device under the bench and use the same routing up the passenger side rear corner.
Yep, that's an easy way to do it.
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