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Big 3 or Big 4 Upgrade? | DiyMobileAudio.com Car Stereo Forum

    https://www.diymobileaudio.com/threads/big-3-or-big-4-upgrade.342242/
    I am finally ready to do the Big 3 upgrade. Picked up a very nice kit...1/0 gauge, OFHC from GP Car Audio. If you're going to buy a kit, I'd look at these guys. But, I was checking out some Big 3 videos on Youtube and saw one on a Big 4. …

The Big 3 (or 4??) - Steve Meade Designs – #1 Car Audio ...

    https://www.stevemeadedesigns.com/board/topic/158171-the-big-3-or-4/
    The Big 3 upgrade: 1.I grounded my engine block to the frame(4g) 2.Upgraded power wire to alternator(4g) 3.Grounded battery to the frame(4g) Now my question is do I ground my alternator to the frame too?? I just barely heard about The Big 4 (and there is only like 3 videos on youtube, but i dont think they explain to well???)

TBSS Gets The Big 4 Upgrade - YouTube

    https://www.youtube.com/watch?v=y636aRmgLdU
    We upgraded the ground and power cables on the trailblazer. We did 0 gauge from battery to alternator for the power and 0 gauge from battery to alternator br...

Big 4 Power Wire Kit - ZZPerformance

    https://zzperformance.com/products/big-4-power-wire-kit
    Big 4 Power Wire Kit. This kit is made to upgrade your factory positive and negative wires to increase your cars electrical system. By increasing the size of the wire, it will raise the alternators output voltage which will improve everythings performance that uses the 12 volt system. For example, ignition, steering, stereo, headlights, etc.

How To Perform The Big 3 Upgrade - Sonic Electronix ...

    https://learn.sonicelectronix.com/how-to-big-3-upgrade/
    Most Big 3 upgrades use 1/0 AWG cable, but you need to make sure whatever cable you use can meet the current demands of your system. If you don’t know the length of cable you need, measure, ask your local dealership or overestimate. You must use 4 AWG or greater high strand count cable and never solid core wire.

Big 3 Upgrade Kits - CE Auto Electric Supply

    https://ceautoelectricsupply.com/car-audio-products/big-3-upgrade-kits/
    The car overall now is just running better as well. This wasn’t just an audio fix, it was an electrical system fix. Thanks for making such a great product.” – Ryan F., Greenfield, WI. Read The Truth About the Big 3 Upgrade to learn the real benefits of a Big 3 Upgrade and understand exactly why we do it the way we do.

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