power window problems on convertible

i have a 1991 mustang lx convertible that has no power to any of the windows i checked power to the fuse and circuit breaker and there is power to every thing i also changed the power power window safety relay and still nothing there is no power to the power window switch in the door either. Does anyone have any ideas?????could it be the inline circuit breaker????this all started after i removed the after market car alarm also horn/cruise control doesnt work when i put a fuse in it pops right away
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Good Luck trying to get answers on this topic. i put up the same post on moddedmustang and no results. i have a 90 Gt covertible with the same problem and upto date i still dont know whats wrong :stupid: