You are low on fluid.

Jim

On Sun, Apr 30, 2017 at 2:39 PM B Feddish <UprightBassGhost@hotmail.com>
wrote:

> My brake warning light is on.  Everything seems OK so I want to see if the
> switches  on the master cylinder are bad, is there a way to test them or
> should I just replace them?
>
> Thanks,
> Bryan
>