Battery Installation 101

Step one: Disconnect battery cables.

Step two: Remove battery

Step three: Install new battery

Step four: Remove protective covers from battery terminals.

Step five: Clean and reinstall battery cables.

We just had a car delivered to us on a trailer because the customer had just installed a new battery, and found that he had no power afterwards.

Can you see that he missed step four?
According to Mr. Twist, plastic is not a good conductor of electricity!