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open the hood, disconnect both battery negative connectors disconnect both positive connectors, remove both battery hold downs. Remove batteries from vehicle. To install follow the same procedure in reverse order. NOTE: you must remove/disconnect the grounds (both) first-to keep from shorting out the battery from the body/frame and causing a fire or damage.

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11y ago
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Q: How do you change dual batteries on a 2000 Chevy 3500HD?
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