Troubleshooting Hints

TRY FOLLOWING CHECKS BEFORE DOING SYSTEM CHECK
1. Check I/P Fuse Block Fuse 1B by visual inspection.
2. Check that grounds G102 and G103 (Oldsmobile H) or G202 and G203 (Oldsmobile C, Buick) are clean and tight.
3. If only one cornering lamp does not operate, check bulb, socket and related wiring.
4. Before component replacement, check for poor connection at related component and in-line harness connector terminal connections. Refer to General Troubleshooting Procedure. Diagnostic Aids