1999 Pontiac grand prix. Why is the key getting stuck in ignition and keeps blowing ignition fuse ( the big orange 40 )

Asked by Aug 22, 2015 at 01:46 PM about the 1999 Pontiac Grand Prix 2 Dr GT Coupe

Question type: Maintenance & Repair

I replaced the ignition switch to see if it will
start the car but is keeps blowing the fuse.
Also the key won't come out unless I take
the whole ignition switch. It does have
factory security. Everything else works but
won't start. Not sound from starter or
engine.

3 Answers

9,780

Hope you didn't trash the old one because the anti-theft code is on the key. Get your old key and hold it close to the new key .. if the car starts you can copy the code to the new key

1 of 1 people found this helpful.
68,495

There's a solenoid in the steering column for this. Basically it prevents you from removing the key when the vehicle is not in park. To get the key out, look directly under the ignition lock. You'll see a plastic plug. Remove it to expose a hole. Using a small screwdriver push up on the plunger that's inside the hole. You can now turn the key and get it out. The most likely suspect is in the shifter assembly. There's a switch that energizes the solenoid in the steering column and releases the key when you shift into park. The wiring to the switch breaks over time because the switch moves with the shifter. So the wiring and plug are constantly moving and flexing. The best thing to do here is put the old parts back in the steering column, so you won't have any security system issues. Exchange the ignition switch for the pigtail that is most likely causing the issue. BTW, the switch on the shifter is not sold separately. If the switch is bad the whole shifter assembly needs to be replaced. HTH. -Jim

135

They had a recall on the ignition switches - you may want to see if yours is on that list. http://www.gmignitionupdate.com/vehicles/grand_prix.html

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