Post
by mikexgough » Thu Feb 20, 2014 9:01 pm
Whatever people think about the merits and drawbacks of DRL's, I personally think the idea is a good one. It is such a pity that the powers that be have allowed a multitude of interpretations of the regulations. There are the led ones,the dimmed headlight types and the dual filament 20w /5w sidelight types, if only there were one type in use.
Each has differing results as to their brightness and some are more effective and look more pleasing on certain vehicle designs.
As I like them on the safety side of things, I decided to fit some and tried the round led type but they were not very good in respect that they got waterlogged and suffered condensation. They were not cheap chinese units but a so called quality brand, got a refund as I didn't want another set.
Having ditched them I got an aftermarket module,really a box with 2 relays one to switch the other one which was bearing the load, from Germany for a few pounds,they fit them to save fines when crossing nearby borders where DRL or dipped headlights are compulsory.
Initially I wired it as per the instructions, to allow just the dipped headlights to be on when the ignition was switched although it could be cancelled with a switch.
When the sidelights are switched on, the "module"cancelled out the headlights for normal operations as per the legal requirements for these type of lights, to cancel or dim.
After using this set up for a while found a couple of niggles. One being that it would increase bulb life...for the dipped beams and the other was, when dropping people off or parked with the engine running,other drivers misunderstood what you were doing.
After some research,I decided to adopt the dimmed headlight option.....so asked some Canadians & swedes I know...and decided to do as they do....use the main beam but use a ballast resistor (as the old UK dim dip systems used to do)
The ballast resistor I used, dims the main beam to 30% brightness around 20w like the oem ones and obviously the dazzle which would have been usual on full power doesn't exist.
The resulting light is "high" but not illegally and as such gives you the "edge" that driver's can see you and not so bright the issues raised by motorcyclists are negated.Another problem solved was the one I raised about other drivers not understanding what your actions were when the DRL were on the full dipped beam. I now prefer the dimmed headlight option as to me it suits the Bongo better.
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