So, I've looked and looked and looked. I even checked the 99 through 2001 model years. They are all calling for a five pin relay and a five wire relay connector for the air injection system.....I don't have the service manual for this car and the Haynes manual was useless on this subject. I might be able to answer my own question if I had a wiring diagram. Anyone have a wiring diagram for 2000 Grand Prix GT Vin K?