Grand Prix Transmission stuck in Park

Hey Everyone, I have a 97 Grand Prix GT and just today, my shifter (on the console between the front seats) is stuck in Park. The first time I just had
to turn my wheel slightly and then it moved into Drive. But the next time after I had parked again, it would simply NOT move out of Park into anything (Reverse/Neutral/Drive/etc.). I had to pop the tab for Shift Lock and use a pen to release the lock so I could drive it.
Any idea if this is something I could fix or will I have to take it to the shop? I'm guessing it deals with bad power to the shifter or something broke in the shifter mechanism perhaps? Thanks,
AJ
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On 3/13/06 6:46 PM, in article snipped-for-privacy@z34g2000cwc.googlegroups.com, "AJ"

Sounds like a bad module that locks the shifter when the brake isn't pressed.. Check to see if you have brake lights first.. If you do, go digging for that module.. Haynes manual might help, or someone else here..
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There is a "shift out of park" relay. It is operated by the brake light switch. So perhaps first, verify your brake lights operate normally.
When you hold the foot brake pedal, you should be able to depress the button on the shifter 'T'. If so, the relay / brake switch are OK. If you can depress the button, but not move the lever, I'd suspect a mechanical binding or bad cable.
If you cannot press the button (which I suspect, based on the fact you could release it with a pen and drive it) it's likely the brake switch, the relay that lets the button move, etc. You might get on autozone.com and see if they have anything, or thumb through a manual. Maybe the not too expensive Chilton's or Hayne's shows this?
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