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Other Systems

Learn about the various electrical and other systems that lurk under your hood, including cooling systems, ignitions, wires, fuses and connectors.

Do HHO systems actually work?

Ever since inventors have tried to get cars moving, they've tinkered with the possibility of alternative fuel systems. What does an HHO system have to do with water, and does it actually work?

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 »