Help removing dash from 93 Mustang

Hi all, I am trying to track down a possible wiring problem in my '93 mustang LX. Whenever I turn on the headlights, the rear running lights and the instrument panel lights don't come on. I have checked the fuses, no problem. The dealer replaced the headlight switch and that worked for a while, but now the problem is back. I am convinced it is shorting behind the dash somewhere.

The problem is, I have no clue as to how to remove the dashboard. Does anyone have any tips as to how I can get started? pictures would be fantastic!

Thanks,

Doobie