hmm... not really sure, but if you have acess to the source code
put text=*hex color* inside the <BODY> tag as a parameter
ie
<BODY text=#000000>
this text is black
</BODY>
that makes all text black unless otherwise specified
another route (this is handy if you're using a form that can...
check the wiring. Pop open your trunk and pull back the interior fabric to access the lights. Take a volt meter across the lines while someone tests the signal and brake lights and see if you get anything.