Hi thanks for your time .i have a 2008 siverado 2 wd with a 4.3 i swapped it out to a 2008 4.8 i got everything i need.my question is on the 4.8 wiring harness is a plug at the end going down the drivers side loomed with the lower o2 sensor it has 6 wires in the plug it has a extra green with white stripe in a pin out it says its the fuel system control moguel.the issue is the harness on the truck only has 5 wires the plug will plug in all the other wires match up do i need this or can a tune delete it any help or advice is valued thank you