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 MANUALSBUICK2007RAINIER AWD L6-4.2LREPAIR AND DIAGNOSISSTARTING AND CHARGINGRELAYS AND MODULES - STARTING AND CHARGINGBATTERY CONTROL MODULESERVICE AND REPAIR
2007 Buick Rainier AWD L6-4.2L
Battery Control Module: Service and Repair
2007 Buick Rainier AWD L6-4.2LSECTION Service and Repair
Generator Battery Control Module Replacement
Removal Procedure
1. Remove the negative battery cable.
2. Mark the location of the negative battery cable clips and remove the clips from the cable.
3. Remove the tape securing the generator battery current sensor to the negative battery cable.
4. Squeeze the negative battery cable branches together.
Important: Note the orientation of the generator battery current sensor prior to removal.
5. Slide the generator battery current sensor (1) off of the negative battery cable.
Installation Procedure
1. Squeeze the negative battery cable together.
Important: Ensure the generator battery current sensor is installed in the correct direction and location on the negative battery cable.
2. Slide the NEW generator battery current sensor (1) up onto the negative battery cable and insert the tab under the negative battery cable terminal cover.
3. Wrap electrical tape around the generator battery current sensor leg in order to secure the sensor to the negative battery cable.
4. Install the negative battery cable clips to the cable to the locations previously marked during removal.
5. Install the negative battery cable.
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.