55D. (page 2 of 2)

The addition brake light is not working

1. Check the condition of the bulb

• Not OK Replace the bulb
• OK

2. Check the condition of the bulb holder

• Not OK Overhaul or replace the bulb holder
• OK

3. Bridge the N coloured cable at the additional brake light 41 with an earth

• OK Restore the continuity of the N coloured cable between the additional brake light 41 and the right rear earth 19
• Not OK

4. Check for voltage at the R coloured cable for the additional brake light 41

• OK Overhaul or replace the additional rear brake light unit 41
• Not OK

5. Bridge the R/RN coloured cables at connector E pin 14/13 of the junction unit 4

• Not OK Overhaul the junction unit 4