Backup Lamp: Testing and Inspection

- Check for blown fuses in circuits A2 and F20.
- Check for continuity across the stop lamp switch when it is CLOSED.
- For rear lighting on the left side of the vehicle, the Z1 circuit grounding point is in the left rear wheel well.
- For rear lighting on the right side of the vehicle, the Z1 circuit grounding point is in the right rear wheel well.
- Circuit F20 feeds the heated rear window switch and A/C clutch cycling switch