HVAC Connector End Views
A/C Compressor Clutch Connector End Connector Part Information 12162017 2-Way F Metri-Pack 150 Series (MD GRY) Pin Wire Color Circuit No. Function A BLK 550 Ground B DK GRN 59 A/C Compressor Clutch Supply Voltage
A/C High Pressure Switch Connector End Connector Part Information 15317968 2-Way F Micro-Pack 100 W Series (BLK) Pin Wire Color Circuit No. Function A LT BLU 203 A/C Request Signal B DK GRN/WHT 2523 A/C Request Signal
A/C Low Pressure Switch (ALL) Connector End Connector Part Information 12052644 2-Way F Metri-Pack 150 Series (LT GRY) Pin Wire Color Circuit No. Function A DK GRN 603 A/C Low Pressure Switch Signal B BLK 550 Ground
A/C High Pressure Recirculation Switch Connector End Connector Part Information 12124037 2-Way F Metri-Pack 150 (BLK) Pin Wire Color Circuit No. Function A DK BLU 604 A/C High Pressure Recirculation Switch Signal B BLK 150 Ground
Air Temperature Actuator Connector End Connector Part Information 12064993 6-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5 BRN 341 Ignition 3 Voltage 6 DK BLU 1199 Auxiliary Air Temperature Door Control 7 BLK 2450 Ground 8 - - Not Used 9 LT BLU 733 Auxiliary Air Temperature Door Position Signal 10 GRY 598 5 Volt Reference
Air Temperature Actuator - Auxiliary (Suburban/Yukon XL) Connector End Connector Part Information 12064993 6-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5 BRN 541 Ignition 3 Voltage 6 WHT/BLK 1236 Air Temperature Door Control - Auxiliary 7 GRY/BLK 1798 Ground 8 - - Not Used 9 DK BLU 1646 Air Temperature Door Position Signal - Auxiliary 10 GRY 598 5 Volt Reference
Air Temperature Actuator - Auxiliary (Manual Air Delivery) Connector End Connector Part Information 12064993 6-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5-6 - - Not Used 7 BLK 1450 Ground 8 WHT 454 Mode Door Control - Auxiliary 9 - - Not Used 10 BRN 541 Ignition 3 Voltage
Air Temperature Sensor - Upper Connector End Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT GRN 404 Upper Air Temperature Sensor Signal B BRN 718 Low Reference
Air Temperature Sensor - Upper Auxiliary (Suburban/Yukon XL) Connector End Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A TAN 517 Upper Auxiliary Air Temperature Sensor Signal B BLK 808 Low Reference
Air Temperature Sensor - Lower Connector End Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT GRN 405 Lower Air Temperature Sensor Signal B BRN 718 Low Reference
Air Temperature Sensor - Lower Auxiliary Connector End Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BLK 520 Lower Auxiliary Air Temperature Sensor Signal B BRN 808 Low Reference
Air Temperature Sensor - Ambient Connector End Connector Part Information 12052641 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT GRN/BLK 735 Ambient Air Temperature Sensor Signal B BRN 718 Low Reference
Air Temperature Sensor Assembly - Inside (Over Head) Connector End Connector Part Information 12045813 4-Way F Metri-Pack 150 (NAT) Pin Wire Color Circuit No. Function A DK GRN 734 Inside Air Temperature Sensor Signal B PNK 39 Ignition 1 Voltage C BLK 1850 Ground D BRN 718 Low Reference
Blower Motor Connector End Connector Part Information 12084957 2-Way F Metri-Pack 280 Series (BLK) Pin Wire Color Circuit No. Function A PPL 65 Blower Motor Supply Voltage B BLK 1050 Ground
Blower Motor - Auxiliary Connector End Connector Part Information 12064749 2-Way F Metri-Pack 280 Series (BLK) Pin Wire Color Circuit No. Function A BLK - Ground B PPL - Blower Motor - Auxiliary Supply Voltage
Blower Motor Control Processor - Auxiliary (Tahoe/Yukon) Connector End Connector Part Information 12129489 3-Way F Metri-Pack 280 Series (BLK) Pin Wire Color Circuit No. Function A BLK 1450 Ground B PPL 374 Auxiliary Blower Motor Speed Control C ORN 1740 Battery Positive Voltage
Blower Motor Resistor Assembly - Auxiliary - C1 Connector End Connector Part Information 12129489 3-Way F Metri-Pack 280 Series Flexlock (BLK) Pin Wire Color Circuit No. Function A DK BLU 1926 Auxiliary Blower Motor Low Speed Control B RED 1925 Auxiliary Blower Motor Medium Speed Control C WHT 1924 Auxiliary Blower Motor High Speed Control
Blower Motor Resistor Assembly - Auxiliary - C2 Connector End Connector Part Information 12052856 4-Way F Metri-Pack 280 Series (BLK) Pin Wire Color Circuit No. Function A BLK 1450 Ground B ORN 1740 Battery Positive Voltage C - - Not Used D BRN 541 Ignition 3 Voltage
HVAC Control Module Connector End Connector Part Information 12045575 32-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function C1 LT BLU/BLK 590 Sunload Sensor Signal C2 BRN 404 Upper Air Temperature Sensor Signal C3 LT GRN 405 Lower Air Temperature Sensor Signal C4 LT BLU 733 Air Temperature Door Position Signal C5 PPL 1838 Recirculation Door Position Signal C6 BRN 341 Ignition 3 Voltage C7 DK GRN 1614 Recirculation Door Control C8 WHT 119 Mode Door Control C9 DK BLU 1199 Air Temperature Door Control C10 BLK 2450 Ground C11 WHT 1038 HVAC Class 2 Serial Data C12 ORN 340 Battery Positive Voltage C13-C15 - - Not Used C16 GRY/BLK 754 Blower Motor Speed Control D1 DK GRN 734 Inside Air Temperature Sensor Signal D2 LT GRN/BLK 735 Ambient Air Temperature Sensor Signal D3 RED 708 Mode Door Position Signal D4 - - Not Used D5 GRY 598 5 Volt Reference D6 - - Not Used D7 GRY 8 Instrument Panel Lamp Supply Voltage - 1 D8 LT BLU 203 A/C Request Signal D9 BRN 718 Low Reference D10 GRY/BLK 1798 Ground D11 LT BLU 2820 HVAC Control Module Clock Signal D12 RED 2819 HVAC Control Module Data Signal D13 - - Not Used D14 WHT 193 Rear Defog Relay Control D15-D16 - - Not Used
HVAC Control Assembly - Front Auxiliary (w/Sunroof ) Connector End Connector Part Information 12092629 16-Way F Micro-Pack 100 Series (BLU) Pin Wire Color Circuit No. Function A1 GRY 8 Instrument Panel Lamp Supply Voltage - 1 A2-A4 - - - Not Used A5 WHT 1924 Auxiliary Blower Motor High Speed Control A6 RED 1925 Auxiliary Blower Motor Medium Speed Control A7 DK BLU 1926 Auxiliary Blower Motor Low Speed Control A8 BLK 1450 Ground B1-B3 - - Not Used B4 BLK 1450 Ground -Loop Anchor B5-B7 - - Not Used B8 BLK 1450 Ground -Loop Anchor
HVAC Control Assembly - Front Auxiliary (w/o Sunroof - Suburban/Yukon XL) Connector End Connector Part Information 12084944 16-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function A1 - - Not Used A2 GRY 2821 5 Volt Reference A3-A4 - - Not Used A5 BLK 1050 Ground A6-A7 - - Not Used A8 GRY 8 Instrument Panel Lamp Supply Voltage - 1 B1 BLK 2930 Temperature Switch Control B2 - - Not Used B3 WHT 454 Mode Door Control - Auxiliary B4-B5 - - Not Used B6 BLK/WHT 2933 Low Reference B7 - - Not Used B8 PPL/WHT 760 Auxiliary Blower Motor Speed Control
HVAC Control Assembly - Rear Auxiliary (w/o Sunroof) - Suburban/Yukon XL Connector End Connector Part Information 12110088 24-Way F Micro-Pack 100 Series (GRY) Pin Wire Color Circuit No. Function A1 - - Not Used A2 PPL 374 Auxiliary Blower Motor Speed Control A3 WHT/BLK 1236 Air Temperature Door Control - Auxiliary A4 WHT 454 Mode Door Control - Auxiliary A5 - - Not Used A6 TAN 517 Air Temperature Sensor Signal - Upper Auxiliary A7 BLK 520 Lower Auxiliary Air Temperature Sensor Signal A8 BLK 1450 Ground A9 BLK 1050 Ground A10 BLK 808 Low Reference A11 BLK 2930 Temperature Switch Control A12 PPL/WHT 760 Auxiliary Blower Motor Speed Control B1 BRN 541 Ignition 3 Voltage B2 GRY 8 Instrument Panel Lamp Supply Voltage - 1 B3 GRY 8 Instrument Panel Lamp Supply Voltage - 1 B4 DK BLU 1646 Air Temperature Door Position Signal - Auxiliary B5 YEL/BLK 1814 Lower Mode Door Position Signal B6 GRY 598 5 Volt Reference B7 GRY 2821 5 Volt Reference B8 LT BLU 2820 HVAC Control Module Clock Signal B9 RED 2819 HVAC Control Module Data Signal B10 GRY/BLK 1798 Ground B11 BLK/WHT 2933 Low Reference B12 WHT 454 Mode Door Control - Auxiliary
HVAC Control Processor - Auxiliary (w/o Sunroof - w/Heat and A/C Utilities) Connector End Connector Part Information 12040747 12-Way P/C Edgeboard - STD (BLK) Pin Wire Color Circuit No. Function A LT BLU 733 Air Temperature Door Position Signal B WHT/BLK 1236 Air Temperature Door Control - Auxiliary C DK BLU 1646 Air Temperature Door Position Signal - Auxiliary D LT BLU 2823 Mode Signal - Auxiliary Rear E LT BLU 2822 Mode Signal - Auxiliary Front F WHT 454 Mode Door Control - Auxiliary G - - Not Used H BLK 1450 Ground J BRN 541 Ignition 3 Voltage K - - Not Used L GRY 778 Blower Motor Control - Auxiliary M ORN 1923 Rear Auxiliary Enable Control
Mode Actuator Connector End Connector Part Information 12064993 6-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5 BRN 341 Ignition 3 Voltage 6 WHT 119 Mode Door Control 7 GRY/BLK 1798 Ground 8 - - Not Used 9 RED 708 Mode Door Position Signal 10 GRY 598 5 Volt Reference
Mode Actuator - Auxiliary Connector End Connector Part Information 12064993 6 Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5 BRN 541 Ignition 3 Voltage 6 WHT 454 Mode Door Control - Auxiliary 7 GRY/BLK 1798 Ground 8 - - Not Used 9 YEL/BLK 1814 Lower Mode Door Position Signal 10 GRY 598 5 Volt Reference
Mode Actuator - Auxiliary (Manual Air Delivery) Connector End Connector Part Information 12064993 6-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5-6 - - Not Used 7 BLK 1450 Ground 8 WHT/BLK 1236 Auxiliary Air Temperature Control 9 - - Not Used 10 BRN 541 Ignition 3 Voltage
Recirculation Actuator Connector End Connector Part Information 12064993 6-Way F Micro-Pack 100 Series (BLK) Pin Wire Color Circuit No. Function 5 BRN 341 Ignition 3 Voltage 6 DK GRN 1614 Recirculation Door Control 7 GRY/BLK 1798 Ground 8 - - Not Used 9 PPL 1838 Recirculation Door Position Signal 10 GRY 598 5 Volt Reference
Sunload Sensor Connector End Connector Part Information 12047662 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A LT BLU/BLK 590 Sunload Sensor Signal B BRN 718 Low Reference