What is the purpose of the big 3 upgrade?
The “Big 3” upgrade can not only improve the performance of your audio system, it can also enhance the performance of the entire electrical system for your vehicle (which can lead to improved fuel economy or additional horsepower). In other words, upgrading the “Big 3” is almost always a good idea.
Is the big 3 upgrade worth it?
The Big Three wiring upgrade A good, cost-effective improvement is to perform the “Big Three” electrical upgrade. This will vastly improve your vehicle’s electrical system, allowing more current to flow easier to all components.
When should you do the big 3 upgrade?
It is suggested that if you install a car audio system of 1000 watts or greater you will need to upgrade the stock wiring in the charging system. This the most overlooked necessities of car audio.
Does a capacitor help with dimming lights?
Capacitors are devices that help regulate an electrical system. When voltage is too high, the extra power is stored in the capacitor. A capacitor will not solve headlight-dimming issues if they are constant and major.
Why is a big 3 audio system upgrade good?
The “Big 3” upgrade can not only improve the performance of your audio system, it can also enhance the performance of the entire electrical system for your vehicle (which can lead to improved fuel economy or additional horsepower). In other words, upgrading the “Big 3” is almost always a good idea.
Why is it called the Big 3 wiring upgrade?
A fairly simple and inexpensive way to address this is to replace or augment the factory wiring with new, larger gauge wire. This will help greatly to support the extra current draw that a mobile audio system will demand. The “Big 3” name is because we will be upgrading three key wires in the vehicle. Here are the wires you need to upgrade:
Which is the most important cable in the Big 3?
Lastly, it’s time to tackle the grounding cable that runs from the chassis to the engine block. This is the most important cable in the Big 3 because the alternator, which grounds through the engine to the chassis, is your “Absolute Ground”. Disconnect the wire at both ends and clean the contact surfaces with a wire brush and cleaner.
How many amps does a big 3 alternator need?
1/0 AWG Big 3 Upgrade Kits will accommodate aftermarket alternators making up to 300 Amps. Big 3 Upgrade or not, you still can’t pull 200 Amps out of a 140 Amp alternator, so you still gotta’ use your head and exercise a bit of common sense when installing and using an audio system that requires more current than your stock alternator can deliver.