Electricity has come a long way since its discovery back in 600 B.C. Thales of Miletus discovered the wonders of static electricity back then, and a number of geniuses began observing this element until Benjamin Franklin's milestone discovery in 1752 when he proved that electricity can come from lightning through his famous kite-flying experiment. Since then, electricity has been used to power most of the devices we need today. Your vehicle's body electrical system, for instance, makes use of highly charged voltages coming from the car battery to be able to operate. Without the power of electricity, your car will be immobile.
Some cars today may run without fuel, like electric vehicles, but there's probably no car that can run without electricity since it's extremely necessary to activate some safety devices like the signal lights and interior switches. The car body electrical system is also responsible for making your ride comfortable and enjoyable by activating the A/C and audio system. The electrical components installed in your car must always be maintained in perfect condition to guarantee your safety and convenience. Driving with busted or blown head lamps is like jumping over the edge of a cliff. It's equally dangerous if your power windows and mirrors aren't working. You'll never know when dangers or accidents will strike.
Early warning signs of auto body electrical problems should be given importance and fixed as soon as possible. Circuit problems are the most common, like an open circuit, a feedback from another circuit, voltage overload, and a short circuit. An open circuit is probably the most common electrical problem you will encounter. Blown fuses, defective switches, cut wires, disconnected connectors, and poor terminal contacts are just some of the causes of an open circuit. Any of the mentioned causes will make your vehicle inoperable. You can check the voltage with a voltmeter when faced with this problem. Don't worry because measuring the voltage won't result to fuse or circuit damage.
If you don't have a voltmeter available, an ohmmeter or a jumper wire is a good alternative. Take extra precaution when using a jumper wire though because it may cause short-to-grounds. Placing the jumper wire carefully will prevent electrical accidents. When used properly, jumper wires can determine if the headlight circuit is still working or if it has succumbed to faulty relay. You may also use some basic tools to locate a defective fuse. A bad fuse may look charred, blown, fractured, or melted. It depends whether the fuse encountered a current overload or a short-to-ground condition. When you've determined the cause of the damaged fuse, it's much easier to diagnose the root of your car body electrical problem.
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