Those that have the predator 3500 and want to parallel them with the convince of remote start, I found this today. Just a FYI !
2018 3920fb 2020 GMC Denali 3500 4x4 Duramax, 10 speed Allison. LB SRW, Firestone air bags with Airlift wireless onboard compressor. Anderson Ultimate Hitch. MX4 folding cover. 50gal titan in bed transfer tank. Onan 6500 lp genset installed by me ! Had: 2 HF 3500 Inverters with Parallel Kit