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Dumb question. changing batteries, does it make any never mined which side to change first, left side or right? I believe that the right side is the primary. Are both batteries used after start? Thanks
 

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For safety undo both negatives first then both positives and then reconnect both positives and finally the negatives. No worries of have the positive cable from the battery changing hit anything ground and smoking.

Brian
 

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Blue Dmax,

Batteries are connected in parallel. There is no primary or secondary battery. Both batteries work together all the time.

Wecome to Oregon. Are you east or west of the Cascades?
 

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If you replace them, do it in pairs. Since they are connected in parallel, the old one will pull down the new one if it isn't 100%.
 
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