where is the built-in air compressor on 1998 GMC Envoy

my built-in air compressor doesn;t work and i want to know where it is and see if i can fix it if there is a manual that would be great or pictures would do it too

1 answer
Is in the rear part of the car or the rear quarter where the trunk is under the carpet if you want a FREE diagram go to sinautoscan.com go under forum al upload some illustrations for you or someone in the forum will good luck