3000GT SL V6-2972cc 3.0L DOHC MFI (1997)
Marker Lamp: Description and Operation
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When the lighting switch is placed in the TAIL or HEAD position, current flows through the coil of the tail light relay to the lighting switch and
ground, causing the contacts of the tail light relay to close.
Then current flows through the contacts of the tail light relay to the dedicated fuse (2), the individual lights and ground, causing the tail lights,
parking/side marker lights and license plate lights to go ON.
Light Automatic Shut-OFF System
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If the driver's door is opened after the ignition switch is turned to "OFF" or the ignition switch is turned to "OFF" after the driver's door is
opened when the taillights are lit, the current which flows to the coil side of the taillight relay will be cut off by the light automatic shut-OFF unit
opening the contact point, and the headlight relay will be turned "OFF" to automatically shut off the taillights, parking and front side marker
lights and license plate light.
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To turn the taillights, parking and front side marker lights and license plate light on again after they are automatically shut off, turn the lighting
switch to "OFF" once and then back to "HEAD", or turn the ignition switch to "ACC" or "ON", and the automatic shut-OFF will be cancelled
and the current will flow from the light automatic shut-OFF unit to the coil side of the taillight relay again to close the contact point. Thus, the
headlight relay will be turned "ON" to turn on the taillights, parking and front side marker lights and license plate light.
NOTE: When the lighting switch is at "HEAD", the light automatic shut-OFF system will be also activated for the headlights. See:
Headlamp/Description and Operation/OperationThe same system will also be activated for the illumination lights, etc.
