85cj7 with 1990 ford 302 h.o efi mustnag gt engine, with chevy tilt column, heres what is wrong, the car turn on fine and engine runs no problem, but when i go to turn it off the key turns all the wazy and comes out but engine is still runnning. I have to stall it with the clutch to turn it off. So i replaced the ignition switch with the chevy switch because i have a chevy column, but it didn't fix it. Had some previous trouble with the fuel pump relay getting keyed power, so i ran a new key power source to it. So a history of some electrical problems. Any suggestions on what to try next?