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.

Battery Current Sensor: Service and Repair

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Battery Current Sensor Replacement

Removal Procedure

1. Remove the battery to battery tray negative battery cable. Refer to Battery Negative Cable Replacement (Battery to Battery Tray) (Battery Negative Cable Replacement (Battery to Battery Tray))Battery Negative Cable Replacement (Engine To Chassis) (Battery Negative Cable Replacement (Engine To Chassis)).
2. Remove the tape securing the battery current sensor to the negative battery cable.
3. Modify the eyelet end in order to remove the battery current sensor from the negative battery cable. Do not remove the alignment tab.

Installation Procedure

1. Install the battery current sensor by passing the ground end of the negative battery cable through the sensor.

Note: Ensure the battery current sensor is installed in the correct direction and location on the negative battery cable.

2. Wrap electrical tape around the battery current sensor in order to secure the battery current sensor to the negative battery cable.
3. Return the cable eyelet to its original configuration.
4. Install the battery to battery tray negative battery cable. Refer to Battery Negative Cable Replacement (Battery to Battery Tray) (Battery Negative Cable Replacement (Battery to Battery Tray))Battery Negative Cable Replacement (Engine To Chassis) (Battery Negative Cable Replacement (Engine To Chassis)).

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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.