Vehicle & Technical > Discovery

Headlamp bulbs

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hairyasswelder:
:shock:  Put some in my RR Classic and burned out the main/dip switch  :shock:
Was going to put them on relays but just fitted some more spots  :wink:
Think they are somewhere in the garage now  :roll:
Steve

SteveGoodz:
You're practically doubling the current draw through the cables ~ I doubt Land Rover allowed for this when deciding which size wiring or connector ratings to use.

The simplest modification would be to fit relays close to the back of the light units. Use the existing wiring to energise the relay coil with suitably sized wiring direct from the battery to the bulbs via the relay contacts (with fuses in-line, of course). Remember fuses are intended to protect the wiring NOT the bulbs.

thermidorthelobster:
I've fitted some Halfords "super-bright" or some such to my TD5.  Same current but much brighter bulbs, and the beam pattern is much smoother.  They're well worth the money.

Range Rover Blues:
My LSE had 100/80s when I bought it.  They were so good I didn't realise untill I removed them for the Hlafrauds super-bright things which are at least as good TBH.

One problem is that with the extra current draw any slight resistance in the wiring has a greater effect ie bigger voltage drop at the fault and the light output and life expectancy of Halogen bulbs is very voltage sensitive.

http://www.seoc.co.uk/halogenhead.htm

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