1999 Chevrolet, Pontiac, Oldsmobile, Buick, Cadillac and GMC OnStar Installation Manual. ORIGINAL
The General Motors OnStar system integrates a high-quality cellular telephone with the vehicle's electrical system and links customers to the OnStar Center using cellular technology.
Developed by General Motors, this manual contains information about installing the OnStar system in various GM vehicles. Always refer to the applicable vehicle service manual (NOT included), all literature included in the system kits (NOT included), and appropriate Dealer Technical Service Bulletins (NOT included) for additional information regarding installation, system operation and diagnostic/repair procedures.
Appropriate service methods and procedures are essential for the safe, reliable operation of all motor vehicles as well as the personal safety of the individual doing the work. This manual provides general directions for performing service with tested, effective techniques. Following them will help assure reliability. There are numerous variations in procedure, techniques, tools and parts for servicing vehicles, as well as in the skill of the individual doing the work. This manual cannot possibly anticipate all such variations and provide advice or cautions as to each. The descriptions and specifications contained in the manual were in effect at the time of publication. Note: These manuals were never meant as restoration manuals, as that is not within the regular scope of work done by dealership service departments.
Buick: Park Avenue, Riviera, LeSabre, Regal, Century
Cadillac: Eldorado, DeVille, DeVille Concours, Catera, Seville
Chevrolet: Lumina, Monte Carlo, Suburban, Tahoe, Sierra, C/K, Venture
Oldsmobile: Aurora, Eighty-Eight, Silhouette, Intrigue
Pontiac: Bonneville, TransSport, Grand Prix
GMC: Suburban, Yukon, C/K, Envoy, Denali
OnStar Wiring Schematics
Condition: Service Manuals are used in Dealership Shops, Independent Garages and in Fleet Environments and thus can reflect such use, most often showing extensive signs of soiling, age, and wear. Condition can vary from those shown, but the information within is still legible and can give valuable insight.
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