Toyota 4Runner/Tacoma/Tundra Big 6 Wiring Upgrade

Please note. This kit is also referred to as the Big 7 Upgrade! The big 6 and big 7 names are used interchangeably because some vehicles have 6 cables to be upgraded while others have only 7.   What's the Big 3, and why do you sell a "Big 6"? The "Big 3" (or sometimes called "Big 4") upgrade means improving the current capacity of three cables: 1) alternator output to battery positive, 2) battery negative to frame/body, and 3) engine ground to frame/body. We don't stop there though. Our "Big 6" kits also include the leads to the starter and the fuse relay box, as well as adding an external fuse to avoid routing the increase in current capacity through the smaller fuse box wiring. What makes these cables so special? We're nerds for specs and finer details around here. None of that CCA (copper-clad aluminum) that's used in inferior products, or stereo installations. We only use fine-strand, SAE (Society of Automotive Engineers) approved, pure copper cable. Then using a powerful electro