Spray a bunch of WD40 INTO the key hole..... let sit for a minute or two andf see if that does not loosen it up...... Had IDENTICAL issue with my 89 YJ and that is how the locksmith cured mine.....
"For Gawd's sake, put a RELAY in there or you could burn the whole damn Jeep to the ground" ...this quote brought to you by people who do not understand the law.....Kirchoff's, Ohm's, or Faraday's.
Violation of KISS shall always ring false in TRUE engineering. - ME___
Had 75CJ5, 89YJ, 93YJ. Have 82CJ7 & 95YJ____Not one burnt yet due to lack of relays.