Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 984 (POWER OUTLETS)COMPONENT LOCATORPOWER OUTLET CONNECTORS
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Power Outlet Connectors
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Power Outlet Connectors
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Auxiliary Power Outlet 120-Volt AC - Exterior (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | WHT | 5685 | APO Neutral |
| C | ORN | 5595 | High Voltage Interlock Loop Signal - 2 |
| D | BLK | 50 | Ground |
| E | YEL | 5690 | High Voltage Interlock Loop Signal - 3 |
| F | DK GRN | 5686 | Ground |
| G | BLK | 5683 | APO Phase A |
Auxiliary Power Outlet 120-Volt AC - Interior (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | WHT | 5685 | APO Neutral |
| C | ORN | 5595 | High Voltage Interlock Loop Signal - 2 |
| D | - | - | Not Used |
| E | PPL | 5087 | High Voltage Interlock Loop Signal - 1 |
| F | DK GRN | 5686 | Ground |
| G | BLK | 5683 | APO Phase A |
Auxiliary Power Outlet - Bin (Y91)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1040 | Battery Positive Voltage |
| B | - | - | Not Used |
| C | BLK | 1050 | Ground |
Auxiliary Power Outlet - Console (UQ7)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1040 | Battery Positive Voltage |
| B | - | - | Not Used |
| C | BLK | 1050 | Ground |
Auxiliary Power Outlet - Front (Except Z75)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1040 | Battery Positive Voltage |
| B | - | - | Not Used |
| C | BLK | 1050 | Ground |
Auxiliary Power Outlet Switch (HP2)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | BRN/WHT | 5682 | Low Reference |
| B | BLK | 1050 | Ground |
| C | YEL | 5680 | APO Switch Indicator Control |
| D | PNK | 1639 | Ignition 1 Voltage |
| E | BRN/WHT | 230 | Instrument Panel Lamps Dimming Control |
| F | PPL | 5681 | APO Switch Signal |
Cigar Lighter (Y91 or UQ3/UQ5)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 640 | Battery Positive Voltage |
| B | - | - | Not Used |
| C | BLK | 1050 | Ground |
Cigar Lighter (YE9 w/UQ7)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 640 | Battery Positive Voltage |
| B | - | - | Not Used |
| C | BLK | 1050 | Ground |
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.