Item is the 1979 Cadillac Electrical & Vacuum Circuit Diagrams.  Produced by the Service Department of the Cadillac Motor Car Division, General Motors Corporation, this booklet contains both the vacuum circuit diagrams and chassis and body wiring diagrams for all the 1979 Cadillac cars.  Printed on the back of each diagram is an on-ca electrical component location guide.  The index lists the order in which the diagrams are presented. There are nine Diagrams in this booklet, which include: Deville Vacuum Circuit, Eldorado Vacuum Circuit, Body Vacuum Circuit (All), Deville Chassis Wiring, Deville Body Wiring, Eldorado Chassis Wiring, Eldorado Body Wiring, Seville Chassis Wiring, and Seville Body Wiring.  This is NOT a reproduction, reprint or copy - but a used factory issued manual.  As a result, it does have stains and some grime in and around some of the pages, but is otherwise in good condition. Printed in USA                 Catalog No. S-1601