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HOMESERVICE MANUALSCHEVROLET2010MALIBU LT, 3.6 7REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 948 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS - E29RF THROUGH K33)COMPONENT CONNECTOR END VIEWSK33 HVAC CONTROL MODULE X2
2010 Chevrolet Malibu LT, 3.6 7

K33 HVAC Control Module X2

2010 Chevrolet Malibu LT, 3.6 7SECTION K33 HVAC Control Module X2
WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: K33 HVAC Control Module X2 Connector End View
GM1715226Courtesy of GENERAL MOTORS CORP.
K33 HVAC Control Module X2

Pin Wire Circuit Function
1 0.5 RD/WH 3340 Battery Positive Voltage
2 0.35 D-GN 5060 Low Speed GMLAN Serial Data
3 - - Not Used
4 0.35 YE 7531 Local Interconnect Network 9
5-7 - - Not Used
8 0.5 BK 1650 Ground
9 0.35 PK 1039 Ignition 1 Voltage
10 0.5 PK 7574 A/C Compressor Control
11 0.5 PU 7575 A/C Compressor Supply Voltage
12-14 - - Not Used
15 0.35 GY/BK 754 Blower Motor Speed Control
16 0.35 D-GN 2211 Auxiliary Blower Motor Speed Control
17 - - Not Used
18 0.35 BN 6102 Low Reference
19 0.35 WH 193 Rear Defog Relay Control
20 - - Not Used
Connector Part Information 
  • Harness Type: Instrument Panel
  • OEM Connector: 15491305
  • Service Connector: 15126709
  • Description: 20-Way F USCAR 64 Series (BN)
Terminal Part Information 
  • Terminal/Tray: SAIT-A03T-M064/14
  • Core/Insulation Crimp: P/P
  • Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.