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Home >> Chevrolet >> 2012 >> Volt >> Repair and Diagnosis (Single Page) >> Quick Lookups >> Wiring Diagrams >> Wiring Systems And Power Management - Component Connector End Views - F101 Through K112B >> Component Connector End Views >> K33 HVAC Control Module X2
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K33 HVAC Control Module X2

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: 13575845
  • Release Tool: J-38125-215A
  • Diagnostic Test Probe: J-35616-64B (L-BU)
  • Terminal/Tray: SAIT-A03T-M064/14
  • Core/Insulation Crimp: P/P
K33 HVAC Control Module X2

Pin Size Color Circuit Function Option
1 0.5 RD/L-GN 742 Battery Positive Voltage -
2 0.5 L-GN 5060 Low Speed GMLAN Serial Data -
3 - - - Not Used -
4 0.5 L-GN/YE 7531 Linear Interconnect Network Bus 9 -
5-6 - - - Not Used -
7 0.35 VT/YE 3854 Cabin Heater Coolant Motor Control -
8 0.5 BK 1650 Ground -
9 0.35 VT/BN 41 Run Ignition 3 Voltage -
10-11 - - - Not Used -
12 0.35 BN/L-BU 3852 Cabin Heater Coolant Motor Feedback Signal -
13-14 - - - Not Used -
15 0.35 L-BU/GY 754 Blower Motor Speed Control -
16-18 - - - Not Used -
19 0.5 BN/VT 193 Rear Defog Relay Control -
20 0.35 L-GN/GY 3853 Cabin Heater Coolant Motor Enable -