If your engine is not starting or turning over, your car is losing its power battery, your headlights are dimmer than before, your car is making noises or your alternator warning light illuminates, then you are in need of a high output alternator to replace your broken alternator.
How to replace your vehicle’s alternator on your own rather than paying a professional to handle it.
Without getting into the complexities of the automotive alternator and how it functions, let’s address how alternator voltage output and engine adaptation strategy are calculated using the powertrain control module (PCM), body control module (BCM), and/or some type of dedicated charging system module.
The alternator is a workhorse of power to produce electricity to the entire vehicle to recharge the battery, power the headlights and all electrical accessories, run the fuel pump and injectors as well as the ignition system.
Very basically, an amp rating is how much electrical current a wire or a switch can handle consistently over a period of time. This is true whether it is in a house or an automobile. But automobile electrical systems are different because it is considered a closed system with the battery being the source of power.