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Q:

the signal light's and emergency light's don't work. on 2000 Toyota Sienna

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I have changed the fuses and don't know what else it could be
(1) Answer
Check your blinker relay. Its the part that you hear the "clicks" coming from inside the cab. Its usually under the dash, under the steering wheel.