1 ground from alt, 2 hots from alt, ground to chassis, ground to cab, 3 hots into cab for amps- and I kept the factory ground strap to block. All runs are 4 gauge.... i gotta a ton of this stuff i need to use!
I'm getting ready to install a t2500.1bd in my truck and i've got a TON of 4gauge on 2 spools (like 600ft) and a couple of batteries..... 1 Titanium, 2 Megatron Interstate HDs, and a Batcap400, that I want to incorporate into my system...and its my daily driver. I'm thinking about ditching the batcap and just run the batteries but i'm open to suggestions..... BTW here's a crude drawing of what i came up with wiring wise....