headlights wont turn off

I have a 98 ford taurus whose headlights will not turn off, I have to disconnect the battery for 2 minutes then they stay off, I can drive all day with the daytime
running lights but the minute i turn the lights on switch, turning that switch off will not turn the lights off? any help
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.