The most likely cause is a defective brake light switch; It is located towards the top of the brake pedal.
With a wrench.
No. From 1992 to 2008 (final model year), the Pontiac Grand Prix was a front-wheel drive vehicle. Prior to 1992, the Grand Prix was rear-wheel drive. The Grand Prix was never an all-wheel drive vehicle.
check the fuses
Often this type of behavior is caused by a bad ground for the lighting circuit. Check the ground circuit for the brake lights.
With a BFH ( Big Friggen Hammer)
Switch is defective or out of adjustment.
The rear brake diagram can be found on Pontiac forum websites. It can also be found in the maintenance manual available at many auto part stores.
Check the bulbs, Check the fuse, Check the brake light switch, in that order.
Check wiring for 12v also the brake switch on the brake pedal.
What does a small warng light "1 P" indicate?
Check for a blown brake light fuse ( in the fuse panel ) or the brake light switch at the brake pedal could be the problem. The brake light switch releases the shifter lock as well as operating the brake lights.
which fuse triggers 1992 ford aerostar