It depends on what part is broke and what year the vehicle is. You may just have to replace the flasher or the light bulb. If it is the cam then the steering wheel will have to be removed to access the cam. The part can be found at most auto parts stores in the HELP section
Check the blinker fluid.
in the steering colume you must pull stering wheel to get to it
More information is needed.
Sounds like a bad earth connection around the rear light cluster.
I have a brake fluid leak on a Chevy truck silveraldo
your low on blinker fluid.
By removing it and replacing it with a bran new one.
Replace it.
no such thing as blinker fluid and this is only 2009.
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Probably needs lubrication and the control cable adjusted
You will have to replace it. The bearings are worn out in the blower motor.