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 1973 (COMPONENT CONNECTOR END VIEWS - (3 OF 5))GENERATOR BATTERY ASSEMBLY DISCONNECT SWITCH (HP7)
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Generator Battery Assembly Disconnect Switch (HP7)
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Generator Battery Assembly Disconnect Switch (HP7)
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Connector Part Information
|
Generator Battery Assembly Disconnect Switch (HP7)
| Pin | Wire | Circuit | Function |
|---|---|---|---|
| COM | WH/RD | - | 36 Volt Battery Positive |
| COM | YE | - | Main Contactor Relay Control |
| NO | BN | - | Generator Battery Disconnect Signal |
| NC | WH/BK | - | Ground |
| NC | YE/WH | - | Main Contactor Relay Ground |
| NO | RD | - | Main Contactor Relay Switch |
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.