The ignition is stuck in the on position?

1991 GMC JIMMY
269,347 MILES • 4.3L • V6 • 4WD • AUTOMATIC
Avatar
ALTWIZTD1
Ignition won't turn off it will start but no off.
Apr 25, 2025 at 1:11 PM
Advertisement
Avatar
STRAILER
  • ASE Certified Mechanic
  • 54,503 POSTS
  • ASE Certified Mechanic
Yep this is common when the ignition switch key tumbler falls apart internally. You will need to remove the lock tumbler and replace it with a new one. Here is a guide that may help with instructions below you show you how to do the repair.

https://www.2carpros.com/articles/ignition-switch-wont-turn-stuck

Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.
Apr 27, 2025 at 12:40 PM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.