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Fix Your Stuff

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Editing Step 3 —

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Use a crescent wrench to loosen the nuts on the battery terminals. Do not remove the nut fully, just loosen it enough to remove the terminal. On W123's, this nut is likely a 13mm.

Pull the terminals off, starting with the Negative "-" terminal, then the Positive "+" terminal.

Never remove the positive terminal first, or you risk injury from electric shock.

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