Illumination

Illumination: Chart:

Power is supplied at all times
^ through 15 A fuse (No. (23) ,located in the fuse block)
^ to lighting switch terminal (11).
The lighting switch must be in the 1st or 2nd position for illumination.
The illumination control switch is a thumbwheel that controls the amount of current to the illumination system. As the amount of current increases, the illumination becomes brighter.
The glove box lamp is not controlled by the illumination control switch. The intensity of this lamps does not change.
The clock display (if equipped) will dim when the lighting switch is turned to the 1st or 2nd position.
The clock display is not controlled by the illumination control switch.
The given chart shows the power and ground connector terminals for the components included in the illumination system.
With the exception of the clock and glove box lamp, the ground for all of the components are controlled through terminals (4) and (5) of the illumination control switch and body grounds (M51), (M76) and (M77).
The glove box lamp terminal (1) and the clock illumination terminal (1) are grounded directly through body grounds (M51), (M76) and (M77).