In your owners manual.
The diagram is in your owners manual.
Look inside the owners manual.
Look in your owners manual or take it to the Chevy garage.
Best manual to get is a Haynes manual for the '97-'03 Chevy Malibu. http://www.haynes.com/products/sfID1/3/sfID2/5/sfID3/17/productID/183
it should be in the fusebox, look in your owners manual if you have it.
use your parking brake this answer is in the owners manual
check your fuses, your owners manual will tell you the location of the fuse.
look in your owners manual but usually at 100,000 anymore.
Read owners manual as there are too many different radios anymore.
It will be listed in the back of your owners manual. If you lost the manual and your car is faily new, GM has started to keep a record of all manuals on their website. You can just do a quick Google search for Chevy Malibu owners manual, and the it will take you too the gm's page where you will have actually select the year and model again.
No, you will have to order one from your Chevy dealer.