Author: Unknown
•3:01 PM
By Ben Mester


Vehicles have a lot of different electrical systems. These components must work together in order for the vehicle to start and run properly. If any of these components becomes flawed, it'll most likely stop you cold. Luckily, when you understand the varied electrical systems in a vehicle and how they function, you can begin to diagnose your own electrical issues.

The key electrical hardware of an auto are the battery, the alternator, the starter, and the solenoid. If any of these systems goes bad, you'll probably not even be able to start your vehicle, much less drive. Most everyone in their lives, has once or twice had a bad battery. They have either had to jump start their car, or go out and get a new battery and install it. That's fairly simple.

But the other systems are a bit more tricky to identify. The alternator is sort of a mini generator. It powers your car's electrical systems once the car is started. The battery is only ever really used to start the car. Once the car is started, the engine powers the alternator, which in its turn powers your electrical systems and also recharges your battery.

If your alternator ever goes bad on you while driving, you will start to lose power and your car will at last just shut down. Often it happens slowly, and sometimes it occurs fast, depending on the circumstance. When the alternator goes bad, you are stopped in your tracks. You may be able to wait a little and restart your car, but it won't go very far.

The starter and the solenoid are part of starting the vehicle. The solenoid has the simple job of bridging the gap between the battery and the starter to allow electricity to flow, and thus engaging the starter. The starter merely turns over the motor with a nice jolt of power. If either of these components is faulty, your vehicle will not start and you will be stuck in your tracks.




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