Get the fog lights off the circuit to start with. The flasher needs a certain amount of current to flex the bi-metal strip to blink the lights. When the PO wired the fog lights in that circuit, he added resistance and changed the current needed by the flasher.
1986 CJ7, 4.2 w/4.0 head, TFI-HEI hybrid ignition, Clifford manifold w/Holley 390 w/cold air intake, OBA, 4.5" lift, Woody CV shaft and Tattons in front, 4.10 gears - lunchbox in front, Truetrac in the back, twin-sticked, blower upgrade for running topless, trying to keep it simple.
It's just a Jeep, and if you don't wheel it once in a while, it's not even that.