The blower motor on a 1997 Pontiac Bonneville is located next the evaporator core. It will be mounted behind the glovebox on the passenger side of the vehicle. Remove the glovebox, mounting hardware, and sensor clips. The blower motor will be able to be replaced.
Under passenger side by firewall.
Under the hood to the left of the blower motor mounted in the housing on the firewall...
it has 250 horsepower
underneath the dashboard on the passenger side.
the starter is on the driver side in the front of the motor near the transmission.
Replacing the ac blower motor on a 2002 Bonneville is extremely dangerous and unless you know what you are doing it is best to get a hired professional to do it.
You have to remove the motor mount. Once the motor mount is removed you can remove the old water pump and install the new one. Make sure the area is clean before you install the new one.
It is located top left of the motor if you are looking at it from the front bumper