Lighting & Horns - Revised Electrical Troubleshooting
File In Section: 8 - Chassis/Body ElectricalBulletin No.: 63-81-16A
Date: August, 1996
SERVICE MANUAL UPDATE
Subject:
Section 8A-114 - Revised Troubleshooting Hints
Models:
1995 Buick Century
1995 Oldsmobile Cutlass Ciera
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).
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 GAUGES 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.
^ 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).
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems (see "Troubleshooting Procedures", page 8A-4-0).
^ Refer to "System Diagnosis" in this Section.