Component Tests and General Diagnostics
1. Check the TAIL Fuse with a fuse tester.2. Check the DOME Fuse with a fuse tester.
3. Check that the tail lamp relay is securely mounted in JUNCTION BLOCK 1.
4. Check that G200 is clean and tight.
5. For lamps that will not light.
^ Check the ground wires of the affected lamps for opens.
6. For lamps that will not go out.
^ Check the ground wires of the affected lamps for a short.