Vehicle & Technical > Discovery

Dim-Dip

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DMcCanney:
Hello,

Does anyone know when dim-dip lighting stopped being fitted to Discoverys?  I've just checked on my 1998MY 300 TDi and it doesn't have it.

--David

hobbit:
Wish mine didn't :cry:

beast5680:
whats dim dip then? (bows head in shame feeling he should know this one?)

RichardM:
according to wikipedia..."UK regulations briefly required vehicles first used on or after 1 April 1987 to be equipped with a dim-dip device or daytime running lamps, except such vehicles as comply fully with ECE Regulation 48 regarding installation of lighting equipment. A dim-dip device operates the low beam headlamps (called "dipped beam" in the UK) at between 10 percent and 20 percent of normal low-beam intensity when the position lamps are switched on, the primary aim being to prevent drivers using only position lamps at night. UK DRLs must emit at least 200 candela straight ahead, and no more than 800 candela in any direction. These regulatory provisions were based on ILPE research and recommendations. In practice, most vehicles were equipped with the dim-dip option, rather than DRLs, and the Dim-Dip requirement was quashed by the European Commission. See Automotive lighting for more information."
In other words it stopped you driving just on side lights

DMcCanney:

--- Quote from: "beast5680" ---whats dim dip then?
--- End quote ---


It's when the dipped headlights come on at a reduced intensity when the sidelights are on and the engine is running.  It was a legal requirement from 1 April 1987 until 1988 when the EU declared it illegal but it continued to be fitted on new cars right into the 1990s.  Wikipedia has more info at http://en.wikipedia.org/wiki/Automotive_lighting

HTH

--David

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