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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 202 (Wiring Systems And Power Management - Component Connector End Views - K20 ECM X2 Through X85) >> Component Connector End Views >> K33 HVAC Control Module X2
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K33 HVAC Control Module X2

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
GM1664553
Connector Part Information
  • Harness Type: Instrument Panel
  • OEM Connector: 31410-1202
  • Service Connector: 15126709
  • Description: 20-Way F 64 Series, Sealed (BN)
 Terminal Part Information
  • Terminated Lead: 13575867
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: Pins 1, 8 - Not Available
  • Terminal/Tray: Pins 2-4, 9-11, 15, 19 - SAIT-A03T-M064/14
  • Core/Insulation Crimp: Pins 1, 8 - Not Available
  • Core/Insulation Crimp: Pins 2-4, 9-11, 15, 19 - P/P
K33 HVAC Control Module X2

Pin Size Color Circuit Function Option
1 0.75 RD/GN 742 Battery Positive Voltage -
2 0.5 GN 5060 Low Speed GMLAN Serial Data -
3 0.5 GN 5060 Low Speed GMLAN Serial Data -
4 0.5 GN/YE 7531 Linear Interconnect Network Bus 9 -
5-7 - - - Not Used -
8 0.75 BK 1650 Ground -
9 0.5 VT/GN 39 Run/Crank Ignition 1 Voltage -
10 0.5 BU/YE 7574 Electric Variable Displacement Control -
11 0.5 BU/BN 7573 Electric Variable Displacement Supply -
12-14 - - - Not Used -
15 0.5 BU/GY 754 Blower Motor Speed Control -
16-18 - - - Not Used -
19 0.5 BN/VT 193 Rear Defog Relay Control -
20 - - - Not Used -
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