It may depend on which year 260DA you have (you didn't mention), but it could be 8g or maybe 10g. But your manual will tell you and so will the wire - Sea Ray prints that on the wires. However, at only 20CM... either relocate the fuse panel to a better spot or follow the wire back in the rigging - there has got to be 20cm of pay somewhere. Both of those options are better than adding a connector.
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