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True beams test

27th June 1991, Page 8
27th June 1991
Page 8
Page 8, 27th June 1991 — True beams test
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Which of the following most accurately describes the problem?

• IIGV and PSV headlamps' beam aim is to be tested annually from 1 October — although test stations will apply the new regulations from 1 August on an advisory basis.

The test will identify whether headlamps are set too high, low, far right or far left. A Transport and Road Research Laboratory survey showed that 9096 of vehicles tested in 1989 failed lighting tests.