Trapperbill Posted October 17, 2017 Share Posted October 17, 2017 What were the orig. battery group sizes for a 1986 Sunrader ? Both of the batteries are located in a fiberglass tray in the engine comp. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted October 17, 2017 Share Posted October 17, 2017 Sorry, not Sunrader specific, but I'm thinking most were Group 24 or 27. https://www.jegs.com/Sizecharts/bcigroup.html Quote Link to comment Share on other sites More sharing options...
Maineah Posted October 17, 2017 Share Posted October 17, 2017 Measure the pan size then look at the battery charts. As Derek said a 24 or a 27 if the pan is wide enough a 27 it has a bit better current capacity but it a bit higher and wider. Quote Link to comment Share on other sites More sharing options...
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