Ya that drivers firewall connector controls most of the front lights so if that doesnt work I would say you have a ground problem. Because mine were acting funny, i fixed a few grounds and everything is 100% now. But I didnt have any issues like yours.
plugged it up and worked great! thanks bro!
96 2 Door Tahoe 4wd / 5.3 Swap / CAI / Tune / Pacesetter LTs / Magnaflow / LED Dash / Novak A/C Bracket /