Abstract: The position indicating device is employed to assist in parking and otherwise positioning a vehicle on a supporting surface. A photoelectric control unit is mounted on an overhead structure spaced above the supporting surface and has a beam emitting device for directing a light beam downwardly for interception by the vehicle, while minimizing the likelihood of interception by pedestrians, pet animals and other moving things. The light beam is initially reflected back to a photoelectric transducer on the control unit by a reflective device or mirror. The light beam is pulsed so that the transducer supplies electrical pulses to an amplifier which is correspondingly gated. When the light beam is interrupted by the vehicle, the amplifier produces a beam interruption output signal which causes a one-shot timer to energize an alarm device, through an output relay. The operator then stops the vehicle in the desired position. The one-shot timer de-energizes the alarm device after a brief interval.