INSTRUMENTS (Description): DESCRIPTION AND OPERATION (page 23 of 37)

INSTRUMENTS

DESCRIPTION AND OPERATION

88-27

Trailer warning lamp

The trailer warning lamp within the instrument pack utilises a green LED and a clear legend. When a trailer is fitted to 
the vehicle, and the direction indicators are operated, the BCU detects additional current draw and illuminates the 
LED, providing the driver with a visible warning. 

When the ignition is switched on the BCU illuminates the LED to provide a self-check, providing there is no fault it will 
remain illuminated for 3 seconds or until the ignition is switched off. This self-check is every time the ignition is 
switched on, not only if a trailer is connected. 

The power input for the LED is supplied by the instrument pack via fuse 13. The BCU provides the earth path to 
illuminate the warning lamp.