Operation CHARM: Car repair manuals for everyone.

Map Light: Description and Operation

Ceiling Lights


Battery voltage is applied through fuse 57 at all times to the front and rear ceiling lights. The front ceiling light switch has three positions: OFF; DOOR and ON, and controls both the front and rear ceiling lights.


With the switch in the OFF" position, the front and rear ceiling lights stay off, regardless of the position of the doors.


On L models, with any door open and the front ceiling light switch in the "door" position, the entry light timer unit will ground the coil of the ceiling light relay. Both front and rear ceiling lights will then have a path to ground (G3O2) through the closed contacts of the relay, and both front and rear ceiling lights will come on.


On LS models, with either door open and the front ceiling light switch in the "door" position, the front and rear ceiling lights will be grounded through the BLK/WHT wire to the entry light timer unit. Both front and rear ceiling lights will then come on. (Refer to Entry Light Timer System, for door inputs to the entry light control unit).


With the front ceiling light switch in the ON position, both front and rear ceiling lights will be grounded by the BLK wire to G301. Both front and rear ceiling lights will then come on.


Spot Lights


Battery voltage is applied through fuse 57 at all times to the front spotlights. With the light switch in PARK or HEAD, battery voltage is applied through fuse 49 to the rear spotlights. Each map light is controlled by an individual switch. Pressing the switch will provide a ground path to that spotlight, causing it to come on.


Vanity Mirror Lights


With the headlight switch in PARK or HEAD, battery voltage is applied to the left and right vanity mirror light. Sliding the cover aside to expose the mirror will automatically turn on the vanity mirror light.


Trunk Light


Battery voltage is applied through fuse 57 to the trunk light at all times. With the trunk open, ground is applied to the trunk light through the closed contacts of the trunk latch switch, and the trunk light will come on.