1997 ford f 350 turn lamps

Hello, I have a 97 ford f350 dump. All of my lights are working,but not the turn lamps. the fuse is fine. Any idea what it could be and what place to
look for problem?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
solkung wrote:

The turnsignal flasher.
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.