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How do Holden Commodore Alternators work?

The Holden Commodore Alternators are designed to work with the vehicle’s engine, battery, and charging system. The alternator provides an electric current used by the vehicle’s electrical system. It also plays a vital role in helping your car run efficiently.

Alternators work by spinning a magnet inside a coil of wire to generate electricity.

It’s what keeps your battery charged, which is why it’s crucial to understand how an alternator works.

An alternator works by spinning a magnet inside a coil or wire, generating electricity using electromagnetic induction. When this happens, the generator produces alternating current (AC) that flows into your car’s electrical system, providing power for everything from headlights and windshield wipers to air conditioning and radios. Holden Alternators are found on most cars, trucks and boats—and they’re usually easy to find: The name “alternator” will be printed right on top of it when you look underneath the hood at night time. If you see that word written there in big letters and numbers—or if there is something with two large brushes spinning steadily—congratulations! You’ve found yourself an example of this brilliant piece of technology!

The electromagnet is motorized by the engine’s

The electromagnet is powered by the engine’s main belt drive and connected to a magnetic rotor that spins with the engine’s motion. The electromagnetic flux generated by the alternator is used to generate electricity.

The Holden Alternators generate electricity by rotating at high speed inside a strong magnetic field. The alternator’s rotor is made of soft iron, which allows it to be magnetized by the ferrous metal core of the stator coils. As the rotor turns within this magnetic field, its soft iron structure becomes magnetized and creates what is known as an electromagnet.
Holden Alternators

When the rotor spins, it pushes current through the carbon brushes,

The brushes are made of carbon, and they’re attached to the alternator’s rotor. The meetings are charged with electricity from the battery so that when they spin around and contact terminals on the alternator’s housing, they create an electrical current delivered to the battery.

The Holden Alternators brushes are a critical part of the system because they’re what allows electricity to flow from the battery to your car’s electrical components. If the brushes wear down or get stuck in their holders, it can cause everything from dim headlights to bad starting and charging problems.

This process is what provides energy to the car’s electrical systems

In a car, the Holden Commodore Alternators is connected to the engine belt drive and powered by the engine’s motion. The alternator has a rotor with alternating current running through it that’s generated by an electromagnet spinning inside as it sits on top of stationary coils. As this happens, a magnetic field interacts with moving electrons in wires (called conductors) within those coils to create a current that flows into your car’s electrical system. The process provides energy to the car’s electrical systems while keeping them charged, including lights, engine management, heating and cooling systems, and everything that needs the power to operate.

Holden Alternators

Holden Commodore Alternators are designed to be the best in class, with a range of features that make them highly efficient and reliable. The original design is still the base for all Holden Commodore alternators.

These include:

  • Holden V8 Alternator– The standard single-phase AC output alternator for most Holden Commodores, this unit can produce up to 240 amps at 14 volts and has a maximum current capability of 880 amps at 14 volts.
  • VE Commodore V6 Alternator – This unit performs similarly to the single-phase model but has been optimized specifically for use with these engines. It produces up to 200 amps at 12 volts and has a maximum current capability of 720 amps at 12 volts.
  • VY V6 Alternator– An updated version of the above model, this version also offers similar performance but has some improvements such as increased efficiency and reduced weight (by 5kg). Capable of producing up to 180 amps at 12 volts and having an auxiliary lead on the discharge side, which allows additional components like power steering pumps or power windows motors etc., to be powered independently from the main engine electrical system using an extra relay

It’s essential to keep in mind that your alternator can go wrong.

  • Check your battery voltage. If you have an LED voltmeter, it’s easy to check the voltage at your battery terminals. A fully charged automotive battery will have a voltage of around 12, but it’s best to check with a multi-meter if possible.
  • Check your battery charge level with a hydrometer or digital tester that measures specific gravity (which is not necessarily the same as “state of charge”).
  • Inspect the alternator belt, pulley and drive belts for cracks or wear. If there are any signs of damage here, it’s time to replace them immediately before they cause further problems down the road! If you find wear on any parts within this system, then go ahead and replace them as soon as possible—don’t wait until something goes wrong because replacement parts may be complex ~~~

To find VY V6 Alternator! Inspect the battery cables and terminals for corrosion or damage. If there are any signs of decay on your battery terminals, it’s time to replace them with new ones.

Holden Commodore Alternators for VE V8 and V6.

Holden Commodore alternators are a perfect choice for your vehicle. Our Holden Commodore alternators are custom-made to fit the demands of your car, ensuring that you won’t have any problems with replacement parts.

You can choose from the VE V8 Alternator, as well as other models of Holden Commodores:

  • VE Commodore SIDI V8 Alternator
  • VE Commodore SIDI V6 Alternator

VY V6 Alternator

The VE Commodore V6 Alternator is a four-cylinder, dual overhead cam (DOHC) engine with 24 valves. The engine produces up to 185 kW at 5600 pm and 270 N·m of torque between 3500 and 5000 rpm. The V8 variant is available in both manual and automatic transmission options.

The Holden Commodore V6 alternator has been used in many models of the Holden Commodore since its introduction in 2006. It replaced the Holden 6-cylinder “Red motor” from 1978-2006.

The Holden Commodore V8 alternator was introduced in 2009 along with two other new engines for Australia’s largest car maker. It displaces 5L per cylinder instead of 4L for previous versions, making it more potent than ever!


If you’re looking for the best way to keep your Holden Commodore running, then an alternator is a good place to start. If there’s anything else you can do to help prevent premature wear and tear on your car’s electrical system, then that would be even better!

Sophie Lee
Sophie Lee
Sophie Lee is an expert in reviewing products of all kinds, from beauty and skincare to technology and household goods. With years of experience in the industry, she has built a reputation for her honest and insightful reviews that help consumers make informed decisions about their purchases. Sophie is known for her attention to detail and her ability to break down complex features and specifications into easily understandable terms. Her reviews are always thorough, unbiased, and informative, making her a trusted source for anyone looking to buy a new product.