Notice: Do not add anything electrical to the vehicle unless you check with your dealer/retailer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's warranty. Some add-on electrical equipment can keep other components from working as they should.
Add-on equipment can drain the vehicle battery, even if the vehicle is not operating.
The vehicle has an airbag system. Before attempting to add anything electrical to the vehicle, see Servicing Your Airbag-Equipped Vehicle and Adding Equipment to Your Airbag-Equipped Vehicle.
Service Parts Identification Label
Headlamp WiringChevrolet Cobalt Service & Repair Manual. Engine, Replace
Removal
1.
Open and support hood. Install suitable
protective covering over fenders. Mark upper hood hinge location
to hood with suitable grease pencil. Remove hood with assistance.
2.
Remove air cleaner resonator to accelerator
...