Where are the headlight switch and step relay for the lights on a Volvo 240 dl 1987?

In a 1987 Volvo 240 DL, the headlight switch is typically located on the dashboard, to the left of the steering wheel. The step relay, which controls the operation of the headlights, is usually found in the relay panel under the dashboard, near the driver's side footwell. You may need to remove the panel cover to access it. Always consult the vehicle's service manual for specific locations and diagrams.