HVAC Control Module A (C68)

Fig 1: HVAC Control Module A Connector End View

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module A Connector Terminal Identification (C68)

Pin	Wire	Circuit	Function
A1	0.5 BK	350	Ground
A2	0.3 L-BU	1316	Air Temperature Door Control
A3	0.3 D-GN	44	Instrument Panel Lamps Dimmer Switch Signal
A4	0.3 BN/WH	309	Right Park Lamp Voltage
A5	0.5 BN	41	Ignition 2 Voltage
A6-A7	-	-	Not Used
A8	0.3 YE	1791	Low Reference
A9	-	-	Not Used
A10	0.5 D-BU/BK	247	High Speed Blower Relay Control
A11	0.5 D-GN/WH	762	A/C Request Signal
A12	0.3 WH	193	Rear Defog Relay Control
A13	0.5 YE	61	Low Reference
A14	0.3 OG	1140	Battery Positive Voltage
A15	-	-	Not Used
A16	0.3 D-GN	1910	Inside Air Temperature Sensor Signal

Connector Part Information