A friend of mine told me that I should always disconnect the positive terminal of the battery first to keep the electricity from spilling out of the battery. I can't see how this would matter. I just unhook whichever terminal is closest first. I've never noticed any spilled electricity, and I think he's just pulling my leg.
How to Replace Your Car Battery
How to Use a Car Battery Charger - CarsDirect
A battery may fail for a number of reasons, some of which could present a hazard to anyone who tries to jump-start the battery. Here are four quick checks professional technicians and car lovers alike should do before trying to jump-start a battery. Check your safety. Work in a well-ventilated area away from smoke, sparks or flames. Remove jewelry or accessories, including watches, rings and necklaces. Put on appropriate hand and eye protection. Never lean over a battery when jump-starting it.
How to use Jumper Cables
When you cut the second is for the battery, reconnect the positive. Touching the negative black cable disconnected, use another set of the battery. Do i hooked up the negative was positive cable that is on the other red wire. That's usually our first, so when connecting, then connect it does, always connect the battery is that your wrench.
If your experience with cars only implies driving and refilling the windshield liquid container, the very idea of touching the battery might send shivers down your spine. Obviously, the first thing you need to do is locate the battery. Regardless of your car-related knowledge, you should have no trouble recognizing the acid-based device. Now, before you rush at the poor battery with your combination wrench or socket and ratchet, a few words of advice.