HELP Whinning Noise.

My car in any gear, particularly in 2nd and 3rd, make a whinning sound when it hits high rpms in each gear. Its a TT 1992 Stealth. Its only when the car is in motion though. Any Ideas? Transmiision fluid changed 2-3 months ago. BG syncroshift II. PLease help.

any idea where its coming from, cause it could be a ton of things