Catalyst Monitor Sensor Connector End View (C142)

Fig 1: Identifying Catalyst Monitor Sensor Connector (C142)

Courtesy of FORD MOTOR CO.

Pin	Circuit	Gauge	Circuit Function	Qualifier
1	RE145 (GY-VT)	18	CTRL MOD. - POWERTRAIN # EXHAUST GAS TEMPERATURE SENSOR BANK 1 POST CAT -
2	CBB20 (YE-VT)	18	FUSE - 20 OR CIRCUIT BREAKER
3	CE233 (WH-OG)	18	CTRL MOD. - POWERTRAIN # HEATER OXYGEN SEN. POST CAT. 1ST OR UNIQUE (HTR12)
4	RE242 (GN)	18	CTRL MOD. - POWERTRAIN # HEATED OXYGEN SENSOR POST CAT 1ST OR UNIQUE OR COMMON (HEGO_RTN)

Available Pigtail Kits
Pigtail Kit Part Number WPT-981	Service Part Number: 5U2Z-14S411-HB  Gauge: 14  Pin material: Tin (greased)  Cavities: 4  Vehicle Uses Sensor - O2 (HEGO/EGO)
Pigtail Kit Part Number WPT-602	Service Part Number: 3U2Z-14S411-XYA  Gauge: 16  Pin material: Tin  Cavities: 2  Vehicle Uses Lamp - Running Board