[nemcho]

Originally Posted by ryandevilhorns

The plug in your brake pedal may have disintegrated.

Same thing happened to me, I have some info here:
Brakelights don’t work – why?

Originally Posted by axiomatik

There is a rubber bumper mounted on the brake pedal that actuates the switch. Over the years, the rubber will dry out and the bumper can fall out, leaving nothing to press on the switch.

They explained it better than me

And here's what you want to buy
http://www.ebay.com/itm/Green-Brake-...r#ht_500wt_922