Manage My Life

Should corroded battery cables be replaced?

by Manage My Life Last activity date:
October 30th, 2009

I discovered white, powdery corrosion on my battery cable terminals. Do I need to replace the cables?

Batteries in Automotive
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Manage My Life
No, the cables are probably fine; you just need to clean the corrosion off. A battery-terminal cleaning tool and a small wire brush come in handy for the job. If you don’t want to have to reset all your radio presets and the clock and so forth, get a memory saver that plugs into your cigarette lighter to keep things powered up while the battery is disconnected. Be careful while you work around the battery not to touch both terminals at once and don’t let any tool or metal object touch both terminals at once. First, disconnect the cable from the negative battery terminal. Then undo the positive cable. Clean the cable terminals on the outside with the wire brush (wear some safety goggles while you do this), and twist the tapered cleaner tool into the terminals. Clean the battery posts with the terminal tool, and replace the positive terminal on the battery. Replace the cables.
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by Manage My Life
October 30th, 2009
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