Operation CHARM: Car repair manuals for everyone.

Lighting and Horns: Description and Operation



Park Lamps

Voltage is applied at all times through the tail dome fuse to the Headlight Dimmer Switch. With the Headlight Dimmer Switch in the PARK or HEAD position, voltage is applied to the LH and RH Front Park Turn Lamps.


Marker Lamps


Voltage is applied at all times through the tail dome fuse to the Headlight Dimmer Switch. With the Headlight Dimmer Switch in the PARK or HEAD position, voltage is applied to the LH and RH Side Marker Lamps.


License Lamps


Voltage is applied at all times through the tail dome fuse to the Headlight Dimmer Switch. With the Headlight Dimmer Switch in the PARK or HEAD position, voltage is applied to the LH and RH License Plate Lamps.


Turn Lamps


With the ignition switch in "ON" or "START," voltage is applied through the turn back Fuse and normally closed pole of the Hazard Switch to the turn/hazard relay and Turn Switch. When the Turn Switch is moved to the left turn position, voltage is applied to the Left Turn Indicator in the instrument panel cluster assembly. the LH front park/turn lamp, and the LH rear combination lamp (Turn Lamp).


The lamps light immediately and start to flash after the solid state timing unit in the turn/hazard relay energizes.


The lamps operate in a similar manner when the Turn Switch is moved to the right turn position.


Hazard Lamps


Voltage is applied at all times through the hazard Fuse to the three normally open poles of the Hazard Switch. With the Hazard Switch pressed, the three normally open poles are closed, and voltage is applied to the Turn Indicators in the instrument panel cluster assembly, front park/turn lamps, and the Turn Lamps in the rear combination lamps.


The solid state timing unit in the turn/hazard relay repeatedly opens and closes a direct circuit from the hazard fuse.


Stoplamps


Voltage is applied at all times through the stop horn fuse to the normally open stoplamp switch. When the brake pedal is depressed, the stoplamp switch closes and voltage is applied to the Tail/Stoplamps in the rear combination lamps. Because the Tail/Stoplamps are dual filament, the Stoplamps will operate even if the Taillamps are already on.