Chances are they both won't go at the same time. Keep an eye on them and watch for side swelling or cracks. If one goes, replace both and put the other on your workbench for testing your 12V stuff.
BTW: Mine were 7yrs when I sold her. Keep the trickle auto shutoff charger on when docked.
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1978 23' Superfish/Potter Bracket 250HP --------
as "Americans" you have the right to ......
"LIFE, LIBERTY and the PURSUIT of a Classic SeaCraft" -capt_chuck
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