By . Engine Wiring. Publised at Wednesday, January 10th 2018, 08:19:07 AM. Sometimes camshaft lobes touch the rocker arm directly (as you see with overhead camshaft engines), thus opening and closing the valve. On overhead valve engines, the camshaft lobes don’t come into direct contact with the rocker arms, so pushrods or lifters are used.
By Lazare Anthelme. Car Electrical Wiring. Published at Saturday, January 13th 2018, 15:06:03 PM. Most components, however, require DC current to run. The solution is a set of diodes that serve as a kind of electrical check valve for current coming out of the alternator. Diodes only allow current to flow in one direction, so when AC goes in on one side, only DC comes out on the other.
By Bertrand Rainier. Car Electrical Wiring. Published at Saturday, January 13th 2018, 15:04:48 PM. The automotive battery is designed as an electrical storage device and is responsible for delivering electrical power when the engine is not in operation. All batteries possess a negative (ground) and positive (power) attribute of an electrical power system. These connections should be free of corrosion and rust as contaminates hinder the proper operation of electrical circuits. A periodic inspection and test of the battery is necessary to avoid roadside failures. Battery terminals can develop corrosion due to the flow of ions. Terminal and cable cleaning is necessary to remedy this condition.
By Jeannot Ludovic. Car Radio Wiring. Published at Saturday, January 13th 2018, 10:04:56 AM. A good ground connection is vital for proper stereo performance and to eliminate unwanted noise. If you are not using a custom wiring harness, look for a bare, unpainted bolt or screw that contacts the bare metal of your vehicle's chassis. Loosen the bolt, slip the ground wire underneath (this is almost always a black wire), then tighten the bolt. If your ground wire doesn't contact bare metal, your stereo won't operate. A loose or weak ground connection can result in signal noise interfering with your music.
By Josselin Amaury. Car Electrical Wiring. Published at Saturday, January 13th 2018, 10:00:32 AM. The most common problems with electrical systems are a short or open circuit. A short circuit is what happens when a wire has rubbed through to ground causing a fuse to blow. An open circuit is what happens when a connection stops working because of a broken wire or a bad conductivity. Low battery voltage can cause strange problems to the electrical components of the car due to insufficient operating voltage. Because of the construction of wiring connectors they can sometimes create high resistance which causes heat making the connector have an open circuit. When performing wiring repairs a wiring schematic is sometimes necessary to trace wires or locate a component.
By . Fuse Box Wiring. Published at Saturday, January 13th 2018, 07:00:41 AM. If it turns out your fuse is good you can move on to checking the component itself. Make sure it is plugged in, free to move and not burnt or melted. Many of the electrical components on your vehicle can be tested without being removed by measuring a resistance value between certain contacts. If you’re handy with an ohm meter and have a repair manual for your vehicle you can test the component that way.
By Salomon Herbert. Car Electrical Wiring. Published at Saturday, January 13th 2018, 06:51:41 AM. “Electricity” refers to electron flow through a circuit where one end is positive and the other negative. Actually, every object has an electrical charge, but most are so small they are impossible to detect. To power something like a motor, we have developed man made chemical cells with high electric potential: batteries. Batteries in turn lend power to starting, charging and security systems, lights, ABS, computers, sensors, climate control and onboard accessories. They are probably the first thing you think of when you hear about electricity in automotive applications, but batteries are far from alone in running the system.
By Jeannot Ludovic. Car Electrical Wiring. Published at Saturday, January 13th 2018, 01:18:46 AM. While OEM and aftermarket wiring manufacturers alike combine multiple devices on single circuits, they take various things like current draw, wire gauge, and fuse capacity into consideration. For example, adding accessories to an existing circuit may require a greater-capacity fuse, which may cause problems if that fuse’s capacity exceeds the capacity of any single wire in that circuit. Should a wire find ground or its accessory fail in such a case, the wire may catch fire without ever blowing its circuit’s fuse.
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