I have new (never used) Service Manuals for '05 Deville. Purchased from Helm Pub. $141.95.
Two manuals (each about 2 1/2" thick. Vol. I - KS Car - GMP/05-KS-1 includes Gen. Info, HVAC, Steering, Suspension, Driveline/Axle, Brakes, Engine. Vol. II - GMP/05-KS-2 includes Trans., Body, Restraints, Vehicle Control Systems, Accessories. They are published by North AmericanOperations General Motors Corp., Warren Mich. There is a GM seal on the front of each Manual stating Authentic Technical Service Information.

$80.00 - I will pay shipping.
******************Manuals have been sold. 10-29-08 *****************
email is fcivita@comcast.net