DO ANYBODY KNOW THE LOCATION OF ALL GROUND POINTS

[Fowler]

I have a 2019 new body at4 sierra 5.3 fully loaded had a bad ground strap the large one from the pasenger side engine to chassie the ground was so bad truck wouldn't start.  Installed new ground strap and then a new battery now I have no 4wd buttons are lit up but when pushing them nothing happenes get the scattered service 4wd and service esc and loss of steering assit usually resets itself after I drive for a bit anybody got any ideas 

[silveradosid]

did you replace the ground from the frame to the body of the truck behind the right front wheel liner

[Fowler]

Yes replaced the 2 on that side 

[newdude]

Have you scanned for codes yet?

[Fowler]

Yes no codes the ones that do come up are usually gone by the time I am able to get a chance to scan them and I know if I bring it to the dealer if there's no codes they ain't doing ****** here