Please help!!! My Speedo and windows Have Gone

[Stuart3400]

The Other Day while installing a new stereo, like a muppet i crossed two wires, and now my speedo rev counter, mirrors and windows dont work!!
I have changed the fuses and had the relays checked out and ideas???

Seat Ibiza MK II Cupra GTi 8V

 

[goble]

for all of them to go its can only be fuses.

 

[Stuart3400]

Checked all the ones under the steering colum, i know this sounds stupid but there isn't any more is there? thanks for the help by the way!!