Spacers are high quality I did a bunch of research before purchasing the set I got.
KSP 6x135 to 6x135 Wheel Spacers... https://www.amazon.com/dp/B083FCGNJW?ref=ppx_pop_mob_ap_share
Read under the ford Lightning section
https://www.discounttire.com/blog/ev-trucks-and-tires
My Personal pick would be the Toyos
https://www.tirerack.com/tires/toyo-open-country-a-t-iii-ev
It’s just someone using the wrong colored wire. It should have red tape or black tape around those wires to correct that issue. All he needs is 2 hots a red and black and one ground which is geeen and he’s good to go.
I believe this is what you need.
https://www.electricgeneratordepot.com/products/generator-interlock-kit-eat-pn200-150-200-amp-panels-cutler-hammer-br-series