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When connecting your battery, connect the positive (red) first and the negative (black) second. When removing the battery, disconnect the negative (black) first and the positive (red) second. Been doing this for nearly 30 years. ALWAYS connect the positive post first.
Connect the negative BLACK cable first to the negative battery post. Make sure this is making good contact with the metal part of the post. You will see a big clunky clamp mentioned earlier attaching the car battery to a heavy wire--- you can clamp your jumper cable directly to that.ake extra sure there is no oil or gas residue on or around the battery, because there may be a slight spark when connecting the positive cable. # Step 6 * Start the dead car It's possible that the car alarm on the dead car is going off at this point (if it has one).