By Salomon Herbert. Car Electrical Wiring. Publised at Wednesday, January 10th 2018, 22:43:41 PM. A relay is nothing more than a very heavy-duty switch that does a lesser switch’s bidding. A small electromagnetic engagement coil consumes on the order of milliamps means just about any switch can activate it.
By Jeannot Ludovic. Fuse Box Wiring. Published at Thursday, February 22nd 2018, 21:02:13 PM. Notice that battery voltage travels through a high current wire (red) through the relay to the horn and also through a smaller wire (blue) through the ignition switch to the relay's low-current coil. The first thing you should be aware of is that the horn circuit is always "hot" or "live" when the ignition switch is turned on and all that's needed is a path to ground.
By Mathis Camille. Fuse Box Wiring. Published at Thursday, February 22nd 2018, 20:16:45 PM. You may be lucky and just have a loose wire and banging just right on something might get it to fall back into place, but most times electrical problems are not that simple. Vehicles built in the 60s and 70s had very few electrically controlled devices as most things were controlled through a mechanical linkage. In the 80s and early 90s many automobile manufacturers started using vacuum controlled solenoids to operate small things like switches in the engine or the vents on your ventilation system. Since then, just about everything has become electronically controlled and regulated. Most of the electronics in your vehicle will last a very long time and never be changed, but when something does go wrong it can be difficult to pinpoint the problem.
By Lazare Anthelme. Car Electrical Wiring. Published at Thursday, February 22nd 2018, 19:38:10 PM. A wiring harness has many connectors that can serve as an extension to the main harness which allows routing to devices which are located beyond the reach of the main harness.
By Salomon Herbert. Car Electrical Wiring. Published at Thursday, February 22nd 2018, 19:03:35 PM. The battery supplies both positive and ground circuits which complete the electron cycle. The positive side of the system circuit starts at the PDC provided by the battery.
By Bertrand Rainier. Car Radio Wiring. Published at Thursday, February 22nd 2018, 10:41:29 AM. Each vehicle has a different wiring story. Sometimes you have a choice of harnesses that will work in your car. Other times, you might need more than one harness to complete the installation.
By Lazare Anthelme. Engine Wiring. Published at Wednesday, February 21st 2018, 19:20:24 PM. Since wiring harnesses are frequently installed in hard-to-reach locations, finding the exact problem area of the “short” circuit or “open” circuit can frequently be a challenge for a technician.
By Mathis Camille. Engine Wiring. Published at Wednesday, February 21st 2018, 18:21:13 PM. The key to installing, troubleshooting, and repairing your own electrical system is simply making sure you have the right information and steps, and paying very close attention to detail through every step of the process. At a minimum, you should use a shop manual for your vehicle to analyze the engine wiring diagram and try to identify the wires by color under the hood. Unfortunately, the colors of the wire insulation may fade over time, so if your car is older, this task may be made more difficult.
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