Lights Not Turning On Sarah February 13, 2019 00:55 Updated Inspect lights and light cables for damage. With bike turned off, switch the connections into the lights. Related articles My lights won't turn on My disc brakes are squeaking! Why is this happening and what can I do to stop it? Aveny Assembly Instructions My display is showing an error code. What does it mean? What do I do if I hear clicking when I ride?