My cruise control doesnt work on my 2004 f150

For the new body style 2004 ( not the 2004 Heritage or Lightning ) did you install a LED 3rd brake light, or does the 3rd brake light work ?

If you installed a LED CHMSL, you need to install it with the load resistor, else the CC will not work ( thinks the brake lamps are out ).

If this is a 2004 Heritage or Lightning ( old body style ) ted posted about recall 05S28. Description: Speed Control Deactivation Switch.

Is the switch on the end of the brake master cylinder good? There has been a recall for these I think. Check all fuses? Make sure brake lights operate normally.