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Date: Sun, 02 Apr 2000 13:44:51
Subject: Re: Derbi Moped Help
From: Hans Hartman
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Hello mopedeers,
At 21:00 1-4-00 -0800, you wrote:

>This leads me to believe that the headlight is wired directly to
>the battery.

Right..

>it can be recharged by the alternator. My temporary solution has
>been to throw the battery on a trickle charger every night.

This won't do for very long.

>Having said all this, here are the basic questions:
> >1. Am I correct in my assumption that it would be better to run
>the headlight dircectly off the magneto? I seems to me that this
>would take a big load off the battery.

Every moped I've seen, works with the lighting powered of the magneto.
The batteries used in mopeds, are used for horn, turn signals and brake
light. Becuase of their size, these batteries usually are 4-6 AH, which is
not enough to run lights of at least 15W continously.
Even modern mopeds like the Peugeot fox, Piaggio Velofax and Honda express
(SH50) which are equipped with a powerfull 12V 4AH battery, have a seperate
coil for lighting purposes.

>2. Any tips on how I could rewire the headlight correctly?

First check all the leads coming out of your engine for currence if your
moped is running. You are to likely to find a yellow wire, which should
power lighting. I'm afraid I can't think of any other reason to switch
lighting on the battery, other then a defective coil.
Follow the wires back to your engine, and tell me how many are on your
engine and what colour, and I'll give you my guess what every colour should
do..

>I'm comfortable working on the bike myself, but need a little bit
>more education about how this all works (I'm used to cars!), and

Moped lighting and wiring is much alike the ones used on cars, the only
difference is the magneto-powered lighting.

Good luck,

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