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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1432 (HVAC Systems - Manual) >> Component Locator >> HVAC Connectors

HVAC Connectors

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
A/C Compressor Clutch Assembly

GM684807Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110293
  • 3-Way F Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A BK 350 Ground
B D-GN 59 A/C Compressor Clutch Supply Voltage
C L-GN 2278 A/C Compressor Status Signal
A/C Low Pressure Switch

GM537107Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052644
  • 2-Way F Metri-Pack 150 Series Sealed (GY)
Pin Wire Color Circuit No. Function
A D-BU 204 A/C Low Pressure Sensor Signal
B BK 250 Ground
A/C Refrigerant Pressure Sensor

GM726824Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15344137
  • 3-Way F GT 150 Sealed 5.2 (BK)
Pin Wire Color Circuit No. Function
1 BK 2751 Low Reference
2 GY 2700 5-Volt Reference
3 RD/BK 380 A/C Refrigerant Pressure Sensor Signal
Air Temperature Actuator - Auxiliary (Long Wheel Base except XUV)

GM258172Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12064982
  • 5-Way F Metri-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
1 GY 2598 Low Reference
2 D-BU 1199 Auxiliary Air Temperature Door Position Signal
3 GY/BK 598 5-Volt Reference
4 RD 2600 Auxiliary Actuator Door Control
5 YE 2214 Auxiliary Air Temperature Door Control
Air Temperature Actuator - Left

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
5 BN 341 Ignition 3 Voltage
6 D-BU 1199 Left Air Temperature Door Control
7 YE 1791 Low Reference
8 - - Not Used
9 L-BU 733 Left Air Temperature Door Position Signal
10 L-BU/BK 1688 5-Volt Reference
Air Temperature Actuator - Right

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
5 BN 341 Ignition 3 Voltage
6 WH/BK 1236 Right Air Temperature Door Control
7 YE 1791 Low Reference
8 - - Not Used
9 D-BU 1646 Right Air Temperature Door Position Signal
10 L-BU/BK 1688 5-Volt Reference
Blower Motor

GM62489Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12066681
  • 2-Way F Metri-Pack 630 Series, Sealed, Pull-to-Seat (BK)
Pin Wire Color Circuit No. Function
A PU 65 Blower Motor Supply Voltage
B BK 850 Ground
Blower Motor - Auxiliary (Long Wheel Base except XUV)

GM695495Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326870
  • 2-Way F GT 280 Series (BK)
Pin Wire Color Circuit No. Function
A OG 840 Battery Positive Voltage
B BK 250 Ground
Blower Motor Control Processor - Auxiliary (Long Wheel Base except XUV)

GM684908Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326631
  • 4-Way F GT 280 Series (BK)
Pin Wire Color Circuit No. Function
A BK 1650 Ground
B BK 250 Ground
C GY 2604 Auxiliary Blower Motor Speed Control
D OG 840 Battery Positive Voltage
Blower Motor Fuse - Auxiliary (Long Wheel Base except XUV)

GM350882Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12010105
  • Fuse Holder (BK)
Pin Wire Color Circuit No. Function
A OG 840 Battery Positive Voltage
B OG 840 Battery Positive Voltage
OG 840 Battery Positive Voltage
Blower Motor Resistor Assembly

GM73146Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052854
  • 7-Way F Metri-Pack 280 Series (BK)
Pin Wire Color Circuit No. Function
A TN 63 Medium 1 Blower Motor Control
B YE 60 Low Blower Motor Control
C PU 73 Medium 3 Blower Motor Control
D L-BU 72 Medium 2 Blower Motor Control
E BK 2250 Ground
F OG 52 High Blower Motor Control
G RD 542 Battery Positive Voltage
Blower Motor Switch - Front Auxiliary (Long Wheel Base except XUV)

GM333035Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12047781
  • 3-Way F Metri-Pack 150 Series (BK)
Pin Wire Color Circuit No. Function
A YE 2277 Auxiliary HVAC Enable Control
B GY 2598 Low Reference
C BN/WH 230 Instrument Panel Lamps Dimming Control
Console Mode Actuator (Long Wheel Base except XUV)

GM258172Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12064982
  • 5-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
1 GY 2598 Low Reference
2 L-BU 5433 Console Mode Door Position Signal
3 GY 598 5-Volt Reference
4 GY 2599 Auxiliary Mode Door Control
5 L-GN 5434 Console Mode Door Control
Coolant Bypass Valve (Long Wheel Base except XUV)

GM635009Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052641
  • 2-Way F Metri-Pack 150 Series Sealed (BK)
Pin Wire Color Circuit No. Function
A GY/BK 1596 Coolant Bypass Solenoid Control
B BK 250 Ground
Defrost Actuator

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
5 BN 341 Ignition 3 Voltage
6 TN/BK 2274 Defrost Door Control
7 YE 1791 Low Reference
8 - - Not Used
9 L-GN/BK 2276 Defrost Door Position Signal
10 L-BU/BK 1688 5-Volt Reference
HVAC Control Module C1

GM130690Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110206
  • 24-Way F Micro-Pack 100 Series (L-BU)
Pin Wire Color Circuit No. Function
A1 D-GN 1614 Recirculation Door Control
A2 D-BU 1646 Right Air Temperature Door Position Signal
A3 L-BU 733 Left Air Temperature Door Position Signal
A4 L-GN/BK 2276 Defrost Door Position Signal
A5 L-GN 2275 Mode Door Position Signal
A6 - - Not Used
A7 BN/WH 230 Instrument Panel Lamps Dimming Control
A8 BK/WH 751 Ground
A9 GY/BK 1596 Coolant Bypass Solenoid Control (Body Type VIN 6)
A10 YE 2277 Auxiliary HVAC Enable Control
A11 D-GN 71 OFF Blower Motor Control
A12 D-BU 204 A/C Low Pressure Sensor Signal
B1 WH/BK 1236 Right Air Temperature Door Control
B2 D-BU 1199 Left Air Temperature Door Control
B3 TN/BK 2274 Defrost Door Control
B4 TN 2273 Mode Door Control
B5 BN 341 Ignition 3 Voltage
B6 YE 1791 Low Reference
B7 OG 4340 Battery Positive Voltage
B8 L-BU/BK 1688 5-Volt Reference
B9 BK 2250 Ground
B10 - - Not Used
B11 WH 1038 HVAC Class 2 Serial Data
B12 L-GN 2278 A/C Compressor Status Signal
HVAC Control Module C2

GM556473Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 15326924
  • 8-Way F GT 280 (BK)
Pin Wire Color Circuit No. Function
A PU 73 Medium 3 Blower Motor Control
B L-BU 72 Medium 2 Blower Motor Control
C TN 63 Medium 1 Blower Motor Control
D YE 60 Low Blower Motor Control
E - - Not Used
F OG 52 High Blower Motor Control
G BN 141 Ignition 3 Voltage
H D-GN 71 OFF Blower Motor Control
HVAC Control Module - Auxiliary (Short Wheel Base)

GM280793Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12052444
  • 8-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
1 BN 341 Ignition 3 Voltage
2-3 - - Not Used
4 YE 2277 Auxiliary HVAC Enable Control
5 - - Not Used
6 WH 119 Auxiliary Mode Door Control
7 BK 2250 Ground
8 BN/WH 230 Instrument Panel Lamps Dimming Control
HVAC Control Module - Auxiliary (Long Wheel Base)

GM73156Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110088
  • 24-Way F Micro-Pack 100 Series Sealed (GY)
Pin Wire Color Circuit No. Function
A1 BN/WH 230 Instrument Panel Lamps Dimming Control
A2 OG 4340 Battery Positive Voltage
A3 GY 2603 TXV Solenoid Control
A4 GY 2599 Auxiliary Mode Door Control
A5 RD 2600 Auxiliary Actuator Door Control
A6 YE 2277 Auxiliary HVAC Enable Control
A7 D-BU 1199 Auxiliary Air Temperature Door Position Signal
A8 L-BU 5433 Console Mode Door Position Signal
A9 GY 598 5-Volt Reference
A10 - - Not Used
A11 GY 2289 Rear HVAC/Audio Class 2 Serial Data
A12 - - Not Used
B1 BK 2250 Ground
B2 GY 2598 Low Reference
B3 YE 2214 Auxiliary Air Temperature Door Control
B4 L-GN 5434 Console Mode Door Control
B5 BN/WH 2601 Auxiliary Mode Door Position Signal
B6-B11 - - Not Used
B12 GY 2604 Auxiliary Blower Motor Speed Control
Mode Actuator

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
5 BN 341 Ignition 3 Voltage
6 TN 2273 Mode Door Control
7 YE 1791 Low Reference
8 - - Not Used
9 L-GN 2275 Mode Door Position Signal
10 L-BU/BK 1688 5-Volt Reference
Mode Actuator - Auxiliary (Short Wheel Base)

GM258172Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12064982
  • 5-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
1 BN 341 Ignition 3 Voltage
2 WH 119 Auxiliary Mode Door Control
3 BK 2250 Ground
4-5 - - Not Used
Mode Actuator - Auxiliary (Long Wheel Base)

GM258172Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12064982
  • 5-Way F Metri-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
1 GY 2598 Low Reference
2 BN/WH 2601 Auxiliary Mode Door Position Signal
3 GY/BK 598 5-Volt Reference
4 RD 2600 Auxiliary Actuator Door Control
5 GY/WH 2599 Auxiliary Mode Door Control
Recirculation Actuator

GM281207Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12040953
  • 6-Way F Micro-Pack 100 Series (BK)
Pin Wire Color Circuit No. Function
5 BN 341 Ignition 3 Voltage
6 D-GN 1614 Recirculation Door Control
7 BK 2250 Ground
8-10 - - Not Used
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