Behind the "map pocket" under the dash on the passanger side. You have to remove the panel in the footwell and the computer is mounted verticaly above it. Remove the screws and disconnect the wiring harness and it will slide down and out. Have fun laying upside down on your back.
It is located behind the passenger side front kick panel above the ecu
Usually you unscrew the backing part on the lighter that holds it to the console.
Yes it will. If you have the know how.
NO they are not the same.
NO, They will not interchange.
http://images.google.com/images?gbv=2&hl=en&q=1983+pontiac+bonneville
Manual 4 speed trans, 88 mph. Manual 3 speed trans, 85 mph.Automatic trans, 83 mph.
With the 3 speed manual trans, 85 mph.With the automatic trans, 83 mph.
Manual 3 speed trans, 83 mph.Manual 4 speed trans, 85 mph.
Manual 3 speed trans, 83 mph.Manual 4 speed trans, 85 mph.
no
With the 3 speed manual trans, 83 mph.With the 4 speed manual trans, 90 mph.