1988 Ford Mustang LX Convertable (options don't allow older than 1990) on 1990 Ford Mustang LX

What would cause the following to fail: A/C blower motor, turn signals & electro-hydraulic motor for convertable top?

Asked by for the 1990 Ford Mustang LX
2 answers
ck all fuses and relays to start with
Bad ignition switch