A
display device for aligning front wheels of an automobile is disclosed. A fixed disc and movable disc combination 2 is placed the front protruding part of an instrument stand and is adjacent to a
magnet body attached to a
magnet 6 fixed to the steering mechanism by
foam rubber 12, five iron cubes are arranged on a movable disc, a movable contact is also arranged on the movable disc, the movablecontact is connected to a circular
metal track, a track contact on the movable disc communicates with the circular
metal track and is connected with the negative
electrode of a battery. Five fixed contacts 4 are connected to cathodes of LED lamps separately, the anodes of all the LED lamps are connected to the positive
electrode of the battery, the steering mechanism can rotate to attract the ironblocks 5 on the movable disc to cause the movable disc 1 to rotate, when the movable contact 11 passes through the fixed contacts 4, the connected
LED lamp is illuminated. The
display device has thecharacteristics of convenient and rapid installation, and intuitive and clear indication, displays whether the front wheels of the vehicle are aligned or not without modifying the original vehicle steering mechanism, and has good assistance for reversing operation.