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Big 3 Wiring Upgrade Kits

Big3 Upgrade

Our Big3 Wiring kits have more Copper than any other manufacturer. Period.

True 1/0 Pure Copper Big 3 Wiring Upgrade kit
1/0 Pure Copper cable.
46″ Positive, 34″ Ground, 32″ Ground
All cables include copper lugs crimped & heat shrink.

Big3 is required for all high amp and high output alternators.
+$89.00

Js-alternators.com Your #1 Source for High Output Alternators🇺🇸.
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The Big Three Wiring Upgrade

Big3 Upgrade

Do I need the Big Three Wiring Upgrade?
Wondering what the Big Three Wiring Upgrade is and why you’d need it?

In a previous article, we discussed some of the undesirable effects low voltage can cause, like headlight dimming and how to determine that voltage is the culprit.

Your car is made to efficiently utilize its stock electrical charging system. The factory wiring in your car is no different. It will provide sufficient current for the electrical components in the car.

Adding a high-powered amplifier to that electrical load can put a strain on your charging system. Your stock system may not be able to keep up with the amplifier’s power demands.

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