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Home >> Cadillac >> 2008 >> Escalade EXT >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Electrical Component Locations >> Wiring Systems And Power Management - Component Connector End View 3 Of 5 >> HVAC Control Module X3 (CJ3)
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HVAC Control Module X3 (CJ3)

Fig 1: HVAC Control Module X3 (CJ3) Connector End View
GM1715228Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X3 (CJ3)

Pin Wire Color Circuit Function
1 - - Not Used
2 0.35 YE/BK 713 Defrost/Heater Mode Valve Position Sensor Signal
3 - - Not Used
4 0.35 GY/BK 754 Blower Motor Speed Control
5-9 - - Not Used
10 0.35 GY 598 5-Volt Reference
11 - - Not Used
12 0.35 L-BU 733 Air Temperature Door Position Signal
13 0.35 D-BU 1646 Auxiliary Air Temperature Door Position Signal
14 - - Not Used
15 0.35 TN 2273 Mode Door Control
16 0.35 D-BU 1199 Air Temperature Door Control
17 0.35 D-GN 1614 Recirculation Door Control
18 0.35 WH/BK 1236 Auxiliary Air Temperature Door Control
19 - - Not Used
20 0.35 YE 1791 Low Reference
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)