OEM GM Alternators
The alternator in your GM is responsible for holding the charge of your electrical systems. It's purpose is to transform mechanical energy into electric current that charges the battery and runs various electrical car components.
How does an alternator work? It works by the motion of the serpentine belt. When your engine turns on, the belts turn the rotor shaft of your engine, spinning magnetic coils. These coils create a magnetic field where an energy rectifier houses AC power and transfers it into DC power.
Once the DC power is harnessed, a voltage regulator manages it while directing electrical power to the car battery, your dashboard lights and car radio, powered windows, and even your power steering.
Periodically, alternators tend to go bad from damaged parts, improper installation, wrong jump-start set up, and or old age. Signs of a failing alternator are:
- Dead battery
- A burning stench beneath the hood
- Leaking alternator fluid
- Electrical failures or flickering lights
- Battery warning lights
- Radio malfunctions
- Engine squeals or screeches
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