Learn about the various electrical and other systems that lurk under your hood, including cooling systems, ignitions, wires, fuses and connectors.
A car engine produces so much heat that there is an entire system in your car designed to cool the engine down to its ideal temperature and keep it there. But cooling systems serve other purposes too. See more »
The next time your car won't start and you're cursing the battery, you might want to blame the alternator, too. This coconut-sized car part works with the battery to generate power for your vehicle.
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Other HowStuffWorks articles explain the mechanics of the engine and many of its subsystems, including the fuel system, cooling system, camshafts, turbochargers and gears. But the ignition system is where it all comes together, with a perfectly timed spark.
See more »A car engine produces so much heat that there is an entire system in your car designed to cool the engine down to its ideal temperature and keep it there. But cooling systems serve other purposes too.
See more »
Wires fuses and connectors are the kind of thing in your car that you never think about, but they are essential. They're not just there to keep your radio and lights working! Learn why they are so important.
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Automobile ignition systems rely on perfect timing. A simple spark, when delivered at precisely the right moment, can mean the difference between a smooth running and powerful engine that operates cleanly and an engine that runs rough, lacks power and produces unnecessary emissions. How much do you know about automobile ignition systems?
See more »How does the thermostat in a car's cooling system work? I had to test my thermostat today and was amazed as I watched it!
See more »The battery light on my car dashboard comes on whenever I am driving. How serious is this? The car seems to be working fine...
See more »What is the difference between a normal lead-acid car battery and a "deep cycle" battery? I have a trolling motor on my boat and I don't see why I can't use my car's battery with it rather than spending another $80 on a deep cycle battery.
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