Blower Motor Speed Control Connector End View (C271)

Fig 1: Identifying Blower Motor Speed Control Connector (C271)

Courtesy of FORD MOTOR CO.

Pin	Circuit	Gauge	Circuit Function	Qualifier
1	* (RD)	*	CTRL MOD. - CLIMATE # BLOWER MOTOR CONTROL
2	*	*	Not Used
3	* (BN)	*	CTRL MOD. - CLIMATE # BLOWER MOTOR FEEDBACK
4	* (BK-RD)	*	GROUND - CROSS CAR BEAM # 3RD STUD
5	* (BU)	*	SWITCH - FRONT BLOWER # POSITION 4 (HIGH)