Toyota Tacoma Big 7 Battery Cable Kit (Gen 3 – 2016–2021)
Modern Tacomas might have more tech and creature comforts, but when it comes to factory wiring, it’s still the same story — thin cables, weak grounds, and voltage drop that shows up the moment you add a winch, fridge, or lighting setup. The Big 7 Kit fixes that.
What’s Inside the Big 7 Kit?
You know the “Big 3” — alternator → battery, battery → chassis, engine → chassis. We take it to seven. The Big 7 Kit adds upgraded runs to the starter and fuse relay box, wrapped in a clean, purpose-built layout that installs easily and looks factory-fresh.
Built for Trail Abuse
1/0 GA SAE-grade pure copper cable — full power, no copper-clad shortcuts
Solid-copper, machine-crimped terminals, sealed with marine-grade heat-shrink
Corrosion-resistant battery clamps that handle mud, moisture, and heat
Clearly labeled cables make install clean and frustration-free
Ready for Tacoma Duty
This 1/0 GA Big 7 Kit was built for Gen 3 Tacomas that pull hard, light big, and power everything from winches to camp kitchens. It delivers steady voltage, faster starts, and peace of mind when you’re miles from nowhere.
Proudly made in the Pacific Northwest by off-roaders who know the difference between “good enough” and “bulletproof.”
For some of the Toyota kits there’s only two factory negative cables to replace
