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Andy,

The fuse for the DRL hasn't been removed- it just wasn't fitted for the UK market. On the 900CS, all it does is illuminate the sidelights, which on the CS are only 5W lamps, and not terribly bright.

If you want to having noticable DRLs, then you could leave your headlight switch on permanently, as they only come on when the ignition is on.
 

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The fuse for the DRL hasn't been removed- it just wasn't fitted for the UK market. On the 900CS, all it does is illuminate the sidelights, which on the CS are only 5W lamps, and not terribly bright.[/b]
Errm not all true Mark. Yes fuse for DRL was not fitted for UK. However the DRL fuse on the 96 and 97 CS gives slightly dimmed low beam headlights (not much dimmer than normal) I'm not sure about earlier model years
 

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Interesting, Adrian. I'd not heard that before. My 93 CS just gives sidelights with it in place. IIRC the "half power" headlights was a "safety measure" adopted for a while in the UK market.

Basically, a chopper circuit was used to dim the main headlights when the engine was on and the lightswitch was on sidelights, I suppose to help improve visibility to other road users when people turned on their sidelights but then forgot to turn on headlights when it got a bit darker. In well lit built up areas it's not always easy to tell if you've got your headlights or sidelights on.

Or something like that

The downside is
a) reduced lamp life,
B) reduced output on full power after a while

This is due to the way halogen lamps work, and particles jumping to diferent energy levels (too much quantum too early
) and basically that under voltage, you end up with a coating of tungsten on the glass, which reduces light output.
 
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