No power to the ballast
- Check the power source
Blown Fuse
- Replace fuse
Improperly seated connector
- Reseat wire harness into connector on ballast
Lamps not properly seated in endcaps
- Reseat lamps into endcaps
Defective Lamps
- Replace questionable lamps
Harness wired incorrectly for lamp configuration
- Double check that all connections match the wiring diagram for your lamp configuration
Improper endcaps in use
- Replace endcaps with correct end caps for your application
Lamps wired incorrectly
- Rewire lamps according to wiring diagram