Jumped the gray wire with the blue and yellow wires, and took the ground wires from one harness and connected those. Very detailed info for what to remove, keep, etc is just a few lines down, i leave all this info so you can see changes year to year if you lik. No one (audio installers) has them configured to match, that's why i posted the wiring diagram from eonon unit.
2001 tahoe radio wiring harness diagram
