Replace the ballast.
Replacement should include
- shutting off the power to the light fixture at the circuit breaker
- cutting the wires close to the old ballast and removing the ballast
- trimming the wires from the new ballast
- stripping the new ballast and lamp-holder wire ends
- connecting the new ballast wires to the lamp-holder wires with wire connectors.
Process/Skill Questions:
- What are the relevant precautions/safety procedures for changing a ballast?
- What tools are needed for changing a ballast?
- How are the wire colors relevant when changing a ballast?