Check the four way flashers. If they work press the brake panel and see if they still flash on the dash indicators. If so go to the fuse panel there are two flasher relays side by side. Swap them out and check the turn signals. If they now work get a new flasher relay.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184