Heated Oxygen Sensor (Ho2S) #12 Connector End View (C142)

Fig 1: Identifying Heated Oxygen Sensor No. 12 Connector (C142)

Courtesy of FORD MOTOR CO.

Pin	Circuit	Gauge	Circuit Function	Qualifier
1	CBK02 (GN)	18	FUSE - 2 OR CIRCUIT BREAKER (VPWR 2)	2.5L
2	CE233 (WH-OG)	18	CTRL MOD. - POWERTRAIN # HEATER OXYGEN SEN. POST CAT. 1ST OR UNIQUE (HTR12)	2.5L
3	RE406 (GY-VT)	18	CTRL MOD. - POWERTRAIN # SIGNAL RETURN TRANSMISSION (T-SIGRTN) (SIGRTN-B)	2.5L
4	VE731 (YE-GN)	18	SENSOR - HEATED OXYGEN POST CAT. 1ST OR UNIQUE (HO2S12)	2.5L