October 10, 20169 yr About to replace 3 x 12 volt lead acid batteries in case but not sure how to safely do it.Please help. Do I negative then positive with push on connectors each battery or do I 3x negative then 3 x positive again with push on connectors.When do I connect 20 amp fuse in line.Hope this makes sense.Thanks for any advice.
October 10, 20169 yr They are connected up in series so; BAT 1 -- to BAT 2 + BAT 2 -- to BAT 3 + BAT 1 + goes to +controller/red wire BAT 3 -- goes to -- controller/black wire to complete the circuit. Fuse on to red/+ line between BAT and controller.
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