Where is located the turn signal relay in mustang 1991?

I have a mustang 1991 GT I bought like a week ago,,everything work . but the turns signal no,,,i replace already the swich[turn signal] but nothing,,i replace the hazard swich,nothing,,everything have power,,all the fuse too,really I want to know if they use some relay,,,i check already in the fuse box the hazard relay please somebody know what is the problem,,,,thanks