FixVault

HVAC Control Module X2

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: HVAC Control Module X2 Connector End View
GM1715229Courtesy of GENERAL MOTORS CORP.
HVAC Control Module X2 Connector Parts Information

Connector Part Information 
  • OEM: 15483873
  • Service: See Catalog
  • Description: 16-Way F USCAR 0.64 Series (BU)
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 X2 Connector Terminal Identification

Pin Wire Color Circuit No. Function
1 0.35 YE 6817 LED Backlight Dimming Control
2 0.35 OG 300 Ignition 3 Voltage
3 0.5 BK/WH 1851 Ground
4 0.35 RD/WH 3340 Battery Positive Voltage
5 0.35 D-GN 5060 Low Speed GMLAN Serial Data
6 0.35 D-BU 204 A/C Low Pressure Sensor Signal (C67)
7 - - Not Used
8 0.35 WH 193 Rear Defog Relay Control (C49)
9 - - Not Used
10 0.5 BK 1050 Ground
11-14 - - Not Used
15 0.35 L-GN 1478 Coolant Level Switch Signal
16 - - Not Used