if none of the above works it could be a broken wire in the loom of the seat. I had this issue. Find the break which was in the back bit of the seat on mine. Simple solder and repair. Easy to get to with the seat cover having a zip at the back
not displaying for me and we dont need to approve them. They may appear once you have reached 5 posts
We all use photobucket anyway. Much better. Check the Forum Help on how to use