The only thing that was left hooked up was the winch. I had unhooked that as well, but did not make any difference.
FYI Yes he is a Certified electrician, he is also a fabricator among other things. He has hand built a toy 4runner with a Chev SB350. The 4 runner is setup like a Avalanche with a bed & 4 doors. It is lifted with custom roll cage & had rewired the entire truck, So he does know what he is doing.