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 MANUALSPONTIAC2007WAVE LT, 4D HATCHBACK, STANDARD, Y4M/MLMREPAIR AND DIAGNOSISENGINE MECHANICALSTARTERBATTERY, CHARGING SYSTEM AND STARTING SYSTEMREPAIR INSTRUCTIONSBATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTIONREMOVAL PROCEDURE
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLM
Removal Procedure
2007 Pontiac Wave LT, 4D Hatchback, Standard, Y4M/MLMSECTION Removal Procedure
- Record all preset and theft codes, (if equipped), from the radio.
- Turn the ignition switch to the OFF position.
- Verify that all the electrical components are OFF such as interior lights, all doors are closed, the underhood lamp, etc.
- Loosen the clamping bolt from the battery negative cable.
- Remove the battery negative cable from the battery.
- Position the battery negative cable away from any body ground.
CAUTION:
Before servicing any electrical component, the ignition and start switch must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.
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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.