Instructions:Make sure power is off to the light and the light is switched offRemove tube to gain access to starterRemove old starter by turning counterclockwiseInsert new starter into socket and turn clockwise while applying slight downward pressureOnce new starter is in place, return power to the light and switch onWarning:Risk of electrical shock. Unplug light fixture or shut off power at fuse box or circuit breaker before installation.
All-Glass Aquarium Fluorescent Starter