Heated Oxygen Sensor (Ho2S) #12 Connector End View (C1570)

Fig 1: Identifying Heated Oxygen Sensor (HO2S) #12 Connector (C1570)

Courtesy of FORD MOTOR CO.

Pin	Circuit	Gauge	Circuit Function
1	CBB33 (WH-BN)	18	FUSE OR CIRCUIT BREAKER
2	RE731 (WH-OG)	18	SENSOR - HEATED OXYGEN POST CAT. 1ST OR UNIQUE (HTR12)
3	RE242 (GN)	18	CTRL MOD. - POWERTRAIN # HEATED OXYGEN SENSOR POST CAT 1ST OR UNIQUE OR COMMON (HEGO_RTN)
4	VE731 (YE-GN)	18	SENSOR - HEATED OXYGEN POST CAT. 1ST OR UNIQUE (HO2S12)

Available Pigtail Kits
Pigtail Kit Part Number WPT-112	Service Part Number: 1U2Z-14S411-LA Gauge: 14 Pin material: Gold Cavities: 4 Vehicle Uses Sensor - Catalyst Monitor Sensor - Cylinder Head Temperature Sensor - O2 (HEGO/EGO)
Pigtail Kit Part Number WPT-152	Service Part Number: 1U2Z-14S411-BGA Gauge: 14 Pin material: Tin Cavities: 4 Vehicle Uses Fuel Pump/Sending Unit Lamp - Fog/Driving Module - Radio Power Antenna Sensor - Air Suspension Sensor - Catalyst Monitor Sensor - Cylinder Head Temperature Sensor - O2 (HEGO/EGO) Switch - Door Cylinder Disarm (Anti-Theft) Switch - Door Lock (LH) Switch - Door Lock (RH) Switch - Hood Ajar
Pigtail Kit Part Number WPT-894	Service Part Number: 7U2Z-14S411-MA Gauge: 14 Pin material: Tin & Gold Cavities: 4 Vehicle Uses Radio - Amplifier