Make sure you use ACDelco solenoids. The cheap aftermarket ones fail quickly and sometimes never fix the problem at all.
If you can't figure out the start/stop issue, there is a company called Trifecta Performance that will eliminate the start/stop system for around $100.
If you can't figure out the start/stop issue, there is a company called Trifecta Performance that will eliminate the start/stop system for around $100.