It sounds like you have the illumination and power wires backwards. The illumination wire goes to a 7.5 amp fuse (bottom row, 3rd from the left, i think). The power wire should be a 15 amp.
Lemme dig up my manual...
Ben ---'96 Contour GL * Zetec ATX * Tan on Black steelies---
+++JRSC M62 Under Construction+++
My big-a$$ mod list.