HVAC Control Module X3 (C68)

Fig 1: HVAC Control Module X3 (C68)

GM1664552

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module X3 (C68)

Pin	Wire	Circuit	Function
1	0.35 BN	520	Lower Right Air Temperature Sensor Signal
2	0.35 L-GN	2275	Mode Door Position Signal
3	0.35 PU	1838	Recirculation Door Position Signal
4	0.35 GY/BK	754	Blower Motor Speed Control
5	0.5 BN	2273	Mode Door Control
6	-	-	Not Used
7	0.5 D-GN	1614	Recirculation Door Control
8	0.5 D-BU	1199	Left Air Temperature Door Control
9	-	-	Not Used
10	0.35 GY	598	5-Volt Reference
11-12	-	-	Not Used
13	0.35 L-GN	2275	Mode Door Position Signal
14	0.35 WH	2622	Evaporative Temperature Sensor Signal
15	0.5 D-GN	119	Mode Door Control
16	-	-	Not Used
17	0.5 D-GN	2274	Recirculation Door Control
18	0.5 D-GN	1316	Air Temperature Door Control
19	0.35 TN	552	Low Reference
20	0.35 YE	1791	Low Reference

Connector Part Information

OEM: 31410-1201
Service: See Catalog
Description: 20-Way F 0.64 Series Sealed (GY)

Terminal Part Information

Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215/J-35616-64B (L-BU)