Disconnecting the car battery is essential before working on any electrical components on your car. Learn how to disconnect a car battery in these free auto repair video instructions featuring a certified mechanic.
Expert: Nathan McCullough
Bio: Nathan McCullough graduated from Nashville Auto-Diesel College with a GPA of 3.5 and received their Craftsmanship Award and Honor Seal.
Filmmaker: Robert Rogers
Thank you for your video. Removing the the negative terminal is a safe way to work on a car . Failure to do so may cause damage to coils or distributor, and will keep you safe from electrical shock when changing spark plugs or replacing rotors and caps.
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