| Connector 1: | A/C Compressor Clutch | 
| Connector 2: | A/C Low Pressure Switch | 
| Connector 3: | A/C Refrigerant Pressure Sensor (Gas) | 
| Connector 4: | A/C Refrigerant Pressure Sensor (Diesel) | 
| Connector 5: | Air Temperature Actuator - Left | 
| Connector 6: | Air Temperature Actuator - Right | 
| Connector 7: | Air Temperature Sensor - Upper Left | 
| Connector 8: | Air Temperature Sensor - Upper Right | 
| Connector 9: | Air Temperature Sensor - Lower Left | 
| Connector 10: | Air Temperature Sensor - Lower Right | 
| Connector 11: | Ambient Air Temperature Sensor - HVAC | 
| Connector 12: | Ambient Light/Sunload Sensor Assembly | 
| Connector 13: | Blower Motor | 
| Connector 14: | Blower Motor Control Module X1 | 
| Connector 15: | Blower Motor Control Module X2 | 
| Connector 16: | HVAC Control Module X1 | 
| Connector 17: | HVAC Control Module X2 | 
| Connector 18: | HVAC Control Module X3 | 
| Connector 19: | Inside Air Temperature Sensor - Front | 
| Connector 20: | Mode Actuator | 
| Connector 21: | Recirculation Actuator | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.8 BK  | 550  | Ground  | 
B  | 0.8 D-GN  | 59  | A/C Compressor Clutch Supply Voltage  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.5 D-BU  | 204  | A/C Low Pressure Sensor Signal  | 
B  | 0.5 BK/WH  | 451  | Ground (Gas)  | 
0.8 BK/WH  | 451  | Ground (Diesel)  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | 0.5 TN  | 5514  | Low Reference  | 
2  | 0.5 GY  | 2700  | 5-Volt Reference (4.3L)  | 
0.5 GY/WH  | 2700  | 5-Volt Reference (-4.3L)  | |
3  | 0.5 OG/BK  | 380  | A/C Refrigerant Pressure Sensor Signal  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | 0.5 TN  | 5514  | Low Reference  | 
2  | 0.5 GY  | 2700  | 5-Volt Reference  | 
3  | 0.5 OG/BK  | 380  | A/C Refrigerant Pressure Sensor  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
5  | 0.35 BN  | 839  | Ignition 1 Voltage  | 
6  | 0.35 D-BU  | 1199  | Left Air Temperature Door Control  | 
7  | 0.35 YE  | 1791  | Low Reference  | 
8  | --  | --  | Not Used  | 
9  | 0.35 L-BU  | 733  | Left Air Temperature Door Position Signal  | 
10  | 0.35 L-BU/BK  | 598  | 5-Volt Reference  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
5  | 0.35 BN  | 839  | Ignition 1 Voltage  | 
6  | 0.35 WH/BK  | 1236  | Right Air Temperature Door Control  | 
7  | 0.35 YE  | 1791  | Air Temperature Door Control  | 
8  | --  | --  | Not Used  | 
9  | 0.35 D-BU  | 1646  | Right Air Temperature Door Position Signal  | 
10  | 0.35 L-BU/BK  | 598  | 5-Volt Reference  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.35 D-GN  | 6101  | Low Reference  | 
B  | 0.35 TN  | 516  | Upper Left Air Temperature Sensor Signal  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.35 D-GN  | 6101  | Low Reference  | 
B  | 0.35 TN  | 517  | Upper Right Air Temperature Sensor Signal  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.35 BN  | 6101  | Low Reference  | 
B  | 0.35 WH/BK  | 518  | Lower Left Air Temperature Sensor Signal  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.35 BN  | 6101  | Low Reference  | 
B  | 0.35 GY/BK  | 520  | Lower Right Air Temperature Sensor Signal  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.5 L-GN/BK  | 735  | Outside Ambient Air Temperature Sensor Signal  | 
B  | 0.5 D-GN  | 6101  | Low Reference  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.35 L-BU/BK  | 590  | Driver Sunload Sensor Signal  | 
B  | 0.35 GY  | 1548  | Passenger Sunload Sensor Signal  | 
C  | 0.35 BK/WH  | 1851  | Ground  | 
D  | 0.35 WH  | 278  | Ambient Light Sensor Signal  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 3 PU  | 65  | Battery Positive Voltage  | 
B  | 3 BK  | 2150  | Low Reference  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | 3 PU  | 65  | Battery Positive Voltage  | 
2  | 3 BK  | 2150  | Low Reference  | 
Connector Part Information
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Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1-2  | --  | --  | Not Used  | 
3  | 0.35 PU/WH  | 754  | Blower Motor Speed Control  | 
4  | --  | --  | Not Used  | 
5  | 3 BK  | 1050  | Ground  | 
6  | 3 RD  | 542  | Battery Positive Voltage  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | 0.35 WH/BK  | 5515  | Inside Air Temperature Sensor Assembly Control  | 
2-3  | --  | --  | Not Used  | 
4  | 0.35 D-GN  | 734  | Inside Air Temperature Sensor Signal  | 
5  | 0.35 GY  | 1548  | Passenger Sunload Sensor Signal  | 
6-14  | --  | --  | Not Used  | 
15  | 0.35 L-BU/BK  | 590  | Driver Sunload Sensor Signal  | 
16  | 0.35 TN  | 516  | Upper Left Air Temperature Sensor Signal  | 
17  | 0.35 TN  | 517  | Upper Right Air Temperature Sensor Signal  | 
18-20  | --  | --  | Not Used  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | 0.35 RD/WH  | 3340  | Battery Positive Voltage  | 
2-3  | --  | --  | Not Used  | 
4  | 0.35 L-GN/BK  | 735  | Outside Ambient Air Temperature Sensor Signal  | 
5  | 0.35 D-GN  | 5060  | Low Speed GMLAN Serial Data  | 
6  | 0.35 D-BU  | 204  | A/C Low Pressure Sensor Signal  | 
7  | --  | --  | Not Used  | 
8  | 0.5 BK/WH  | 1851  | Ground  | 
9  | 0.35 OG  | 300  | Ignition 3 Voltage  | 
10  | 0.35 WH  | 193  | Platforms Rear Defog Relay Control (C49)  | 
11-13  | --  | --  | Not Used  | 
14  | 0.35 L-GN  | 1478  | Coolant Level Switch Signal (Diesel)  | 
15  | 0.5 BK  | 1050  | Ground  | 
16  | 0.35 D-GN  | 6101  | Low Reference  | 
Connector Part Information
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Terminal Part Information
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Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | 0.35 TN  | 518  | Lower Left Air Temperature Sensor Signal  | 
2  | 0.35 YE/BK  | 713  | Defrost/Heater Mode Valve Position Sensor Signal  | 
3  | 0.35 PU  | 1838  | Recirculation Door Position Signal  | 
4  | 0.35 GY/BK  | 754  | Blower Motor Speed Control  | 
5-9  | --  | --  | Not Used  | 
10  | 0.35 GY  | 598  | Reference Voltage  | 
11  | 0.35 TN  | 520  | Lower Right Air Temperature Sensor Signal  | 
12  | 0.35 L-BU  | 733  | Air Temperature Door Position Signal  | 
13  | 0.35 D-BU  | 1646  | Right Air Temperature Door Position Signal  | 
14  | --  | --  | Not Used  | 
15  | 0.35 TN  | 2273  | Mode Door Control  | 
16  | 0.35 D-BU  | 1199  | Left Air Temperature Door Control  | 
17  | 0.35 D-GN  | 1614  | Recirculation Door Control  | 
18  | 0.35 WH/BK  | 1236  | Right Air Temperature Door Control  | 
19  | --  | --  | Not Used  | 
20  | 0.35 YE  | 1791  | Low Reference  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | 0.35 D-GN  | 734  | Inside Air Temperature Sensor Signal  | 
B  | 0.35 WH/BK  | 5515  | Inside Air Temperature Sensor Assembly Control  | 
C  | 0.35 BK  | 1050  | Ground  | 
D  | 0.35 D-GN  | 6101  | Low Reference  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
5  | 0.35 BN  | 839  | Ignition 1 Voltage  | 
6  | 0.35 TN  | 2273  | Mode Door Control  | 
7  | 0.35 YE  | 1791  | Low Reference  | 
8  | --  | --  | Not Used  | 
9  | 0.35 L-GN  | 713  | Mode Door Position Signal  | 
10  | 0.35 L-BU/BK  | 598  | 5-Volt Reference  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
5  | 0.35 BN  | 839  | Ignition 1 Voltage  | 
6  | 0.35 D-GN  | 1614  | Recirculation Door Control  | 
7  | 0.35 YE  | 1791  | Low Reference  | 
8  | --  | --  | Not Used  | 
9  | 0.35 PU  | 1838  | Recirculation Door Position Signal  | 
10  | 0.35 L-BU/BK  | 598  | 5-Volt Reference  |