Battery corrosion is a very common yet debilitating occurrence under the hood of your
car. Too much
corrosion build up will hinder the delivery of power from your
battery to the rest of your
vehicle, which means it
could prevent you from
starting your
car!
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For instance, if corrosion occurs on the negative terminal, it could be a sign that your battery is undercharging, while if it occurs in the positive side terminal, it could mean that your car's battery is overcharging.Jan 2, 2020
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Yes, It is totally safe cleaning car battery terminals without disconnecting. To ensure safety, turn off the ignition and spray on the hot water on the terminal, more like a jet spray. The pressure and the temperature of the water will equally contribute to cleaning and removing dirt and deposits on the terminals.