By . Engine Wiring. Publised at Saturday, February 24th 2018, 23:32:19 PM. In order to create the combustion needed to move the pistons, we need fuel in the cylinders. Before the 1980s, cars used carburetors to supply fuel to the combustion chamber. Today, all cars use one of three fuel injection systems: direct fuel injection, ported fuel injection, or throttle body fuel injection.
By Josselin Amaury. Engine Wiring. Publised at Saturday, January 06th 2018, 15:19:56 PM. Relays are extremely useful for handling high-amperage electrical accessories like large electric fans, fuel pumps, and HID headlights. They are activated by an electric coil and controlled by a switch. When the relay is closed, no power goes to the accessory in question. When you flip the accessory switch, an electric coil in the relay opens, sending power to the accessory.
By Hadrien Gratien. Engine Wiring. Publised at Sunday, February 25th 2018, 14:13:35 PM. The engine harness is typically a large bundle of individual wires protected by a shell of insulation and conduit which helps to protect it from the elements. It is often asymmetrical, with the large end close to the fuse box and becoming smaller as it branches out over the engine. Since the various automobile manufacturers have different engine designs which also change over time, engine wiring harnesses are often unique to the year, make and model of a vehicle. Because of its proximity to the engine as well as contaminants on the road, engine wiring harnesses can degrade and require repair or replacement.
By Gabin Placide. Car Electrical Wiring. Published at Monday, February 19th 2018, 22:22:47 PM. Each fuse in a system may protect an individual circuit, but the wire that feeds the system needs its own protection. Alternators can leave the building in dramatic and sometimes disastrous ways.
By Bertrand Rainier. Engine Wiring. Published at Monday, February 19th 2018, 18:25:32 PM. In these types of situations an entire portion of harness may need to be replaced. Since harnesses come in all sizes from small and simple, to large and complex, the cost to purchase and install them covers a very broad range. Some vehicle manufacturers also specify harness replacement, rather than wire repair, on certain sensitive safety systems such as airbags. This type of specific guidance varies between manufacturers and can be found in their service information.
By Hadrien Gratien. Car Electrical Wiring. Published at Monday, February 19th 2018, 16:37:01 PM. Installers and OEMs alike go to great means to tie up wires and protect them from their environment. A few minutes of precaution here can prevent untold hours spent repairing a damaged system later on.
By Salomon Herbert. Car Electrical Wiring. Published at Monday, February 19th 2018, 10:20:24 AM. 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 Lazare Anthelme. Car Electrical Wiring. Published at Monday, February 19th 2018, 10:10:46 AM. Cross-linked polyethylene insulation is far more durable yet doesn’t cost much more. It’s a thermo-setting plastic, which means it has a molecular structure that cross-links into very durable chains. And like other thermo-setting plastics, like polyurethanes, it remains pliable and resists oxidation and abrasion to a far greater degree.
By Gabin Placide. Car Radio Wiring. Published at Monday, February 19th 2018, 09:35:59 AM. Some vehicle manufacturers mount the factory radio to a guide rail inside the dash. Once the spring clips or bolts are removed, you can slide the radio off of the rail. Because this rail can sometimes interfere with the chassis of a new radio, it may have to be removed too. Something to keep in mind: once this is done, you often cannot reinstall the factory radio.
By Hadrien Gratien. Car Electrical Wiring. Published at Monday, February 19th 2018, 04:41:42 AM. To address this problem, cars also have alternators. Alternators are actually small generators capable of turning mechanical into electrical energy. Driven by the engine belt, alternators use a small signal from the battery to energize a field current that turns a rotor inside a set of stators. Since this energy is driven by the polarity of magnetic fields, the current produced as a result changes direction as the rotor turns, producing current in opposite or alternating directions (hence AC). Alternators produce significantly higher currents than initially supplied by the battery, so they are used to recharge the battery itself and power other electrical components.
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