Big 3 Upgrade Electrical Wiring Kit, True Spec Oversized 1/0 AWG Gauge OFC Pure Copper Amp, High Output Complete Battery Ground&Power Wire Update for Automotive Car Audio Systems-UL Listed-Blue/Brown

★★★★★ 5.0 131 reviews

$79.99
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$79.99
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Management number 209165728 Release Date 2026/03/29 List Price $32.00 Model Number 209165728
Category
  • 100% Pure Copper: Made of 100% high-strand count (1805/0.19mm) OFC oxygen-free copper conductors with absolutely no aluminum alloy mixed in; provides stronger current carrying capacity, high conductivity, improved system efficiency, and reduced load on the vehicle’s electrical system; tin-plated terminals prevent oxidation and corrosion during long-term use, ensuring durability and stability; delivers superior sound quality with deeper bass for high-fidelity car audio performance; flexible and soft jacket, OD14mm, withstands repeated bending, ideal for wiring in tight and complex spaces, tear-resistant and tensile-proof, ensuring long-term safe and stable use
  • Full Big 3 Upgrade: Upgrades three key wires: battery negative to chassis ground, engine to chassis ground, and alternator power wire; by improving current transmission, effectively solves problems such as dimming headlights, unstable voltage, and insufficient power supply, ensuring optimal performance of the audio system; supports ≤350A current & ≤600V voltage, essential for high-output alternator upgrades; each “Big 3 Kit” is carefully selected and designed by professional audio installers, taking installation challenges and usage needs into full consideration, compatible with most cars/trucks/SUVs/off-road vehicles/RVs; suitable for standard and high-output alternators
  • Durable & Safe: Flexible insulation layer, easy to bend and simple to install; shockproof, corrosion-resistant, prevents electric shock, effectively protecting vehicle electrical components with no hidden hazards during long-term use; wide temperature resistance (-40°C to 105°C), vibration-resistant, weatherproof, ensuring stable and reliable power transmission; FT-1 VW-1 flame-retardant rating prevents fire hazards and ensures safety in use
  • Package Includes: 4ft 0 AWG ground wire ×2 (one end with ring terminal, one end pre-stripped), 6ft 0 AWG power wire ×1 (one end with ring terminal, one end pre-stripped), black nylon clamps ×10, self-tapping wafer head Tek screws ×10, zip ties ×25, copper terminals (SC70-8) ×3, heat shrink tubing ×3, flame-retardant tape ×1
  • 2-Year Warranty: Should any quality issues arise within the first two years of purchase, we are happy to offer a refund or replacement. For any inquiries or assistance, please feel free to contact us through Amazon. We are committed to delivering the highest level of service and ensuring your complete satisfaction
Color Blue+Brown
Brand Name HiFind
Cable Type Power battery cable
Item Weight 2.67 Kilograms
Manufacturer HiFind
Connector Type Bare End
Number of Pins 6
Maximum Current 350 Amps
Maximum Voltage 600 Volts (DC)
Number of Items 3
Specification Met UL
Compatible Devices Compatible with most cars, trucks, SUVs, off-road vehicles, and RVs; suitable for upgrading battery ground wire, alternator ground wire, and alternator positive wire; works with both standard and high-output alternators
Indoor Outdoor Usage Outdoor
Customer Package Type PE plastic bag
Recommended Uses For Product Automotive
Other Special Features of the Product With Heat Shrink Tubes/Tape/Ties/Clamps/Screws; Pre-Terminated Lugs & Open End Wiring; 350A 600V, FT-1 VW-1, Flexible & Durable; High Output;

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