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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1656 (HVAC SYSTEMS - AUTOMATIC)COMPONENT LOCATORHVAC CONNECTOR END VIEWS
2004 Oldsmobile Bravada AWD
HVAC Connector End Views
2004 Oldsmobile Bravada AWDSECTION HVAC Connector End Views
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
A/C Compressor Clutch Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
|
|
|||
|---|---|---|---|
| Connector Part Information |
|
||
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | PPL | 65 | Blower Motor Supply Voltage |
| B | BLK | 1050 | Ground |
Blower Motor - Auxiliary Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| 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 View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | LT BLU/BLK | 590 | Sunload Sensor Signal |
| B | BRN | 718 | Low Reference |
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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.