If your car cranks over slowly or the battery terminals are corroded or cracked, it's time to replace the terminal ends.

And that corrosive substance can ruin your battery terminals, leading to poor charging, slow cranking, low power output and, eventually, the need to replace your battery.

If found, brush the terminals until they’re clean, as well. If you believe your battery was leaking near the terminals, replace the battery.

Terminal connectors corrode over time, and now is a great opportunity to give them a thorough cleaning. Using battery cleaner and a wire brush, clean the connectors and the battery tray.

There are several types of car battery terminal and they are not interchangeable. However, they can be replaced with universal terminals if necessary.

Step 2 Find the -ve (there’ll be a line across it with black wires) and +ve battery terminals (red wires). For the +ve terminal, undo the retaining nut (it’ll be in a clamp-like fitting).

Battery terminals come in various forms. Here’s what military-style battery terminals are and how they differ from other types of battery terminals.

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