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How To Check If Your BA Falcon Alternator Is Working Properly

If you own a BA Falcon, you know the importance of keeping your car in good working order. A vital component of your car’s electrical system is the alternator, which supplies power to your car’s battery and other electrical components. To make sure your alternator is working correctly, it’s essential to perform regular checks. In this blog post, we’ll look at how to check if your BA Falcon alternator is working correctly. Read on to learn more!

Open The Bonnet And Locate The BA Falcon Alternator.

If you are planning to check the condition of your BA Falcon Alternator, the first step is to open the bonnet and locate it. The alternator is located near the top of the passenger side of the engine compartment. It is typically a rectangular component with two metal posts and several wires and connectors. Once you’ve located the alternator, it is time to move on to the next step.

To properly inspect the alternator, you must ensure it is entirely free from dirt and debris. You can do it with a clean cloth or a compressed air canister. Be careful not to damage any of the components during this process. Once the alternator has been cleared of dirt and debris, it’s time to move on to the next step in checking your Alternator. To do this, you’ll need to look for signs of wear on the outside surface, such as cracks, dents, and other signs of damage. You should also take a look at the various connections and terminals. Look for signs of corrosion, discoloration, or other indicators of something wrong. Finally, if all looks good, remove the alternator belt so you can further inspect the pulley system and related components.

Check The Drive Belt That Connects The Alternator To The Engine.

The drive belt is an essential component of the Alternator, as it transmits power from the engine to the alternator. This belt should be inspected for any signs of wear and tear, as worn or lose belts can cause the alternator to malfunction.

To check the belt, open the bonnet and locate the alternator. Next, check the belt that runs around the alternator pulley. The belt should have a uniform tension and fit snugly against the pulley. It should not be too loose or too tight. If the belt appears worn or loose, it should be replaced.

Checking the belt on your Alternator is a simple process that can help keep your car running smoothly. Regularly inspecting this belt will help prevent costly repairs and ensure your car’s electrical system functions properly. Another step is to inspect the connections between the battery and the alternator. These connections usually comprise two cables, which should both be securely fastened. Make sure all terminals are clean and free of corrosion or dirt, as this can prevent electricity from flowing freely between the two components. Additionally, inspect the battery’s charge level using a voltmeter or multimeter. If the reading is below 12V, then you may need to replace the battery or recharge it before continuing with further tests.

Inspect The Alternator Itself For Any Damage Or Leaks.

Inspecting the alternator itself for any signs of damage or leaking is essential. Start by visually checking the alternator for cracks, wear and tear, or corrosion. It would help if you also looked for oil or coolant leaks from the unit. If you notice anything that looks off, it’s best to have it serviced immediately, as this could signify a larger issue.

It would help if you also inspected the alternator’s wiring and connections. Ensure all the terminals are firmly connected, and there is no corrosion. It is also essential to check that the mounting bolts are tight and secure. Loose mounting bolts can lead to excessive vibration, which can cause damage to other parts of the system.

Finally, you should inspect the brushes inside the alternator. These components help the alternator generate electricity. If these brushes are worn out or damaged, it will reduce the effectiveness of the alternator, so it is essential to ensure they are in good condition. To do this, remove the two screws holding them and take them out. Clean them with an old toothbrush and examine them for visible damage or wear. The most obvious sign of damage is small flakes or pieces of brush material missing. If the brushes look bad, then it’s time to replace them.

BA Falcon alternatorOnce everything has been checked, reassemble the alternator and start the engine. Listen for any noises, such as grinding, squealing, or clunking while the engine runs. Also, observe how well the engine runs – if there is a decrease in power, it could indicate an issue with the alternator.

Finally, you can use a multimeter to test the alternator’s output voltage. With the engine running at normal idle speed, measure the output voltage at the battery terminal.

Try Starting The Engine And See If The Alternator Charges The Battery.

To check if your Alternator is charging the battery correctly, you must start the engine and monitor the voltage at the battery terminals. Before you begin, ensure all your accessories are off, such as headlights and air conditioning, so you can accurately measure the alternator output. If possible, use a multimeter to measure the voltage.

First, start the engine and note the reading from the multimeter. The reading should be around 14 volts, which indicates that your alternator is functioning correctly. Next, switch on any accessories and rev the engine to a higher RPM. If the voltage reading remains constant at 14 volts or slightly higher, your alternator will likely work correctly.

If, however, the voltage reading is lower than 14 volts (or if it drops significantly when you rev the engine), then your alternator may not be functioning correctly, and you will need to take your car to a qualified mechanic for further assessment.

Take The Car For A Test Drive And Monitor The BA Falcon Alternator Output

Before you drive, it is crucial to monitor the output of your BA Falcon Alternator. It can be done by connecting a multimeter to the battery and checking the voltage reading. A healthy alternator should be provided around 13.5-14.5 volts. If the task is lower than this, your alternator may not function properly.

Once on the road, keep an eye on the voltage readings of the alternator. While driving, the engine should remain at a consistent speed and the voltage should stay within the normal range. If the voltage drops below 13 volts, the alternator is not working properly and needs to be serviced.

Paying attention to any strange sounds from the alternator as you drive is also essential. A failing alternator can emit strange noises due to internal faults. If you hear any unusual noises from the alternator while driving, get it serviced as soon as possible.

By taking your car out for a test drive and monitoring the output of your Alternator, you can easily identify any issues that may arise and take steps to address them before they become more serious. Keep an eye on your alternator to ensure that your vehicle remains in good condition and continues to perform at its best.


It’s essential to check the alternator for proper operation regularly. A faulty alternator can cause many issues, from failing to start your vehicle to causing battery drainage. You should follow the above mentioned steps to check if your alternator is working properly. If you do find any issues, make sure to get it checked out by a professional mechanic as soon as possible.

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Connor Luka
Connor Luka
Connor Luka is an innovative entrepreneur based in Singapore. With his passion for business and keen eye for opportunities, he's always on the lookout for the next big thing. He's a natural leader who inspires his team to achieve their goals, and he's not afraid to take risks to achieve success. With his determination and vision, Connor is sure to make a mark in the business world.