My brake lights only work with hard pedal pressure. on 2004 Ford Excursion

My excursion comes to a complete stop and the with hard pedal pressure the brake lights come on. What causes the light not to work with normal pedal pressure?

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
You have a failing or misadjusted brake light switch under the dash at pedal area.