HVAC Control Module C3

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Fig 1: HVAC Control Module C3 Connector End View

Courtesy of GENERAL MOTORS CORP.

HVAC Control Module C3 Connector Parts Information

Connector Part Information

OEM: 15491304
Service: 15126710
Description: 20-Way F USCAR 0.64 Series (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)

HVAC Control Module C3 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	TN	518	Lower Left Air Temperature Sensor Signal
2	YE/BK	713	Defrost/Heater Mode Valve Position Sensor Signal
3	PU	1838	Recirculation Door Position Signal
4	GY/BK	754	Blower Motor Speed Control
5-9	-	-	Not Used
10	GY	598	5-Volt Reference
11	TN	520	Lower Right Air Temperature Sensor Signal
12	L-BU	733	Air Temperature Door Position Signal
13	D-BU	1646	Auxiliary Air Temperature Door Position Signal
14	-	-	Not Used
15	TN	2273	Mode Door Control
16	D-BU	1199	Air Temperature Door Control
17	D-GN	1614	Recirculation Door Control
18	WH/BK	1236	Auxiliary Air Temperature Door Control
19	-	-	Not Used
20	YE	1791	Low Reference