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Home >> Cadillac >> 2007 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> OEM Connector End Views (2 Of 4) >> HVAC Autmatic Connector End Views >> HVAC Control Module Connector End View C3
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HVAC Control Module Connector End View C3

Fig 1: HVAC Control Module C3 Connector End View
GM1715228Courtesy 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