Over drive ligt active/reactive with break pedal

[treeviking]

So my trans is shifting fine, fluid lvl good n or smell burnt but wen I hit the break pedal my o/d light goes on and off, also disengaging and engaging the o/d system. What should I be looking for.
2004 expedition xlt 4.6 auto 4x4

 

[99WhiteC5Coupe]

So my trans is shifting fine, fluid lvl good n or smell burnt but wen I hit the break pedal my o/d light goes on and off, also disengaging and engaging the o/d system. What should I be looking for

You may want to post the year, make, model and drivetrain.

 

[treeviking]

Updated