Your responses are linked with why people continue to do it. I have confronted people both politely and not so politely. They all think they are in the right. 4pages of thread with people bitching about it...but one person does something about it, and you high horseman criticize. Maybe next...
Old thread...but I have to respond. Back east here we have conv stores I will leave nameless. Gas and food, huge chain; people all the time do like you say, park, put gas hose in and go inside, even when place is hoppin. One particular day I was headed up to mountains to wheel. I pulled up...
LOL...I wished I had measured EVERYTHING before I did ANYTHING to my jeep too. There is remote possibility similar newer years maybe the same? Maybe find one like yours that was never modded...maybe in Jeep Dealer parking lot?
Ground is ground. Chassis is ground and ground bar is/to be connected to chassis. All my acc go to ground bar or chassis post. Neg side of any car battery is connected at some point to the chassis. Hope this helps.