Jeep Wrangler JL Big 7 Battery Cable Kit (2018–2024)
The JL Wrangler is smarter, stronger, and more capable than ever—but all that tech and power still rely on one weak link: the stock wiring. Add a winch, fridge, lights, or air compressor, and those factory cables quickly show their limits. The Big 7 Kit fixes that problem once and for all.
What’s Inside the Big 7 Kit?
Everyone knows the “Big 3” — alternator → battery, battery → chassis, engine → chassis. We go further. The Big 7 Kit upgrades those connections and adds dedicated runs to the starter and fuse relay box, giving your JL a rock-solid electrical foundation that’s built to handle serious accessories and serious trails.
Built for Trail Abuse
Available in 2 GA, 1/0 GA, or 2/0 GA for your build’s power needs
SAE-grade pure copper cable — full conductivity, no copper-clad shortcuts
Solid-copper, machine-crimped terminals, sealed with marine-grade heat-shrink
Corrosion-resistant battery clamps ready for mud, water, and heat
Clearly labeled cables make installation straightforward and frustration-free
Ready for Jeep Duty
This Big 7 Kit is built specifically for the 2018–2024 Jeep Wrangler JL. Whether you’re overlanding, rock crawling, or just stacking on electrical upgrades, this kit delivers stable voltage, faster starts, and stronger accessory performance.
Proudly built in the Pacific Northwest by people who actually use their rigs the way they were meant to be used.
