SMU - SECTION 8A - 114 - REVISED TROUBLESHOOTING. Buick Century 1995

REVISION: 08/07/96

THIS BULLETIN IS BEING REVISED TO CORRECT THE SERVICE MANUAL PAGE NUMBER REFERENCE. PLEASE DISCARD CORPORATE BULLETIN NUMBER 63-81-16 (SECTION 8 - CHASSIS/BODY ELECTRICAL). ______________________________________________________________________

SUBJECT: SERVICE MANUAL UPDATE - SECTION 8A-114 - REVISED TROUBLESHOOTING HINTS

MODELS: 1995 BUICK CENTURY 1995 OLDSMOBILE CUTLASS CIERA

THIS BULLETIN IS BEING ISSUED TO REVISE THE TROUBLESHOOTING HINTS FOUND ON PAGE 8A-114-4 OF THE SERVICE MANUAL.

TROUBLESHOOTING HINTS

1. CHECK CTSY FUSE. IF THE FUSE IS OPEN, CHECK FOR A SHORT TO GROUND IN CKT 40.

2. CHECK GAGES FUSE. IF THE FUSE IS OPEN, CHECK CKT 39 FOR A SHORT TO GROUND.

3. IF INTERIOR LIGHTS ARE INOPERATIVE WITH A FRONT DOOR OPEN, REFER TO "AUDIBLE WARNINGS" PAGE 8A-76-1 FOR SCHEMATIC REFERENCE.

O CHECK FOR A BROKEN (OR PARTIALLY BROKEN) WIRE INSIDE OF THE INSULATION WHICH COULD CAUSE SYSTEM MALFUNCTION BUT PROVE "GOOD" IN A CONTINUITY/VOLTAGE CHECK WITH A SYSTEM DISCONNECTED. THESE CIRCUITS MAY BE INTERMITTENT OR RESISTIVE WHEN LOADED, AND IF POSSIBLE, SHOULD BE CHECKED BY MONITORING FOR A VOLTAGE DROP WITH THE SYSTEM OPERATIONAL (UNDER LOAD).

O CHECK FOR PROPER INSTALLATION OF AFTERMARKET ELECTRONIC EQUIPMENT WHICH MAY AFFECT THE INTEGRITY OF OTHER SYSTEMS (SEE "TROUBLESHOOTING PROCEDURES", PAGE 8A-4-0).

O REFER TO "SYSTEM DIAGNOSIS" IN THIS SECTION.

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GENERAL MOTORS BULLETINS ARE INTENDED FOR USE BY PROFESSIONAL TECHNICIANS, NOT A "DO-IT-YOURSELFER". THEY ARE WRITTEN TO INFORM THOSE TECHNICIANS OF CONDITIONS THAT MAY OCCUR ON SOME VEHICLES, OR TO PROVIDE INFORMATION THAT COULD ASSIST IN THE PROPER SERVICE OF A VEHICLE. PROPERLY TRAINED TECHNICIANS HAVE THE EQUIPMENT, TOOLS, SAFETY INSTRUCTIONS AND KNOW-HOW TO DO A JOB PROPERLY AND SAFELY. IF A CONDITION IS DESCRIBED, DO NOT ASSUME THAT THE BULLETIN APPLIES TO YOUR VEHICLE, OR THAT YOUR VEHICLE WILL HAVE THAT CONDITION. SEE A GENERAL MOTORS DEALER SERVICING YOUR BRAND OF GENERAL MOTORS VEHICLE FOR INFORMATION ON WHETHER YOUR VEHICLE MAY BENEFIT FROM THE INFORMATION.