How To Connect Car Battery Terminals. The terminals on your car battery are an essential component for the function and life of your engine. The battery connection pushes down over your 19 mm positive and 175 mm negative battery post terminals.

Brighten the battery posts with emery cloth. Make sure that the battery is secured in place. How to connect a battery charger.
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Brighten the battery posts with emery cloth. Look for the car battery terminals. These standalone units connect to your cars positive and negative battery terminals. How to connect a battery charger.
