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

Asked by for the 1998 GMC Envoy
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 go under forum al upload some illustrations for you or someone in the forum will good luck