July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

HO2S Bank 2 Sensor 2 Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		09706-04W03-25 GRY
Pin	Wire Color	Function
1	YEL	HO2S Ground
2	BRN	HO2S Signal
3	PNK/WHT	Heater Control
4	BLU	Heater Supply Voltage