Damus
Keith Mukai · 94w
About to replace a car battery for the first time. If you don't hear from me in a couple hours... ⚡️⚡️☠️ (apparently 12V is basically harmless, but I don't actually understand electricit...
Jean Do profile picture
as mechanic said:

since the car body is ground, open the circuit on negative terminal first when disconnecting then close the circuit last on negative terminal when reconnecting -- so that you don't accidentally close that circuit with your wrench when working on the positive terminal.
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