Posted by Bob on November 28, 2009, 6:45 am
|>> that the loss of the load would spike some voltages and then possibly
|>> harm something expensive such as an electronic ignition system.
|>
|>Adding a switch is unnecessary. As you say, the bike's charging system
|>is designed to have the headlight on all the time when the engine is
|>running and has enough capacity to charge the battery while running the
|>headlight.
Sometimes the battery voltage will drop to %20/12.0volts and some
even less at long intersection stop lights.
This is somewhat dependant on the ReserveCapacity/Ah high quality of
the battery, and a high quality "spaciality" m-cycle battery is pretty pricy
or rare these days.
My headlights draw 60x20 watts from an 8amp starting battery,
needless to say the alarm leeching doesn't help much either.
Adding an inline switch will confuse the ECU/ECM's or general
electronic ignition system's reading and cause an abnormal conflict
somewhere, unless you really know the bikes wiring....and other "fixes".
Good Luck
Bob
Posted by Mark Olson on November 28, 2009, 6:34 pm
Bob wrote:
> Adding an inline switch will confuse the ECU/ECM's or general
> electronic ignition system's reading and cause an abnormal conflict
> somewhere, unless you really know the bikes wiring....and other "fixes".
No, adding a headlight cutout switch won't "confuse" the ECU or the
electronic ignition system or cause an abnormal conflict somewhere.
I'd suggest you post here only about subjects you know something about.
Posted by The Older Gentleman on November 29, 2009, 4:01 am
> Bob wrote:
>
> > Adding an inline switch will confuse the ECU/ECM's or general
> > electronic ignition system's reading and cause an abnormal conflict
> > somewhere, unless you really know the bikes wiring....and other "fixes".
>
> No, adding a headlight cutout switch won't "confuse" the ECU or the
> electronic ignition system or cause an abnormal conflict somewhere.
>
> I'd suggest you post here only about subjects you know something about.
That'll be a short list, then ;-)
--
BMW K1100LT Ducati 750SS Honda CB400F Triumph Street Triple
Suzuki TS250ER GN250 Damn, back to six bikes!
Try Googling before asking a damn silly question.
chateau dot murray at idnet dot com
Posted by mred on November 17, 2009, 7:59 am
> I am now well equipped with TWO repair manuals and a full toolbox and
> a Positive Mental Attitude. Time to go to work.......
> I was watching the dimming of the headlight on my Kawie as I engaged
> the starter. The headlight is hard-wired to the "ON" position and is
> always illuminated when the key is turner to the run position.
> That extra load will slow down the starter a bit, shorten the life of
> the battery a bit, and slow down the recharging of the battery.
> The charging circuit is designed the the headlight load to be there
> continuously. Would anything be damaged if I added a switch in series
> to leave the headlight off for continuous running? I know it's
> illegal not to have a headlight as a running light, but my concern is
> that the loss of the load would spike some voltages and then possibly
> harm something expensive such as an electronic ignition system.
> What say ye, would it hurt to disconnect the headlight for extended
> running?
> Thanks in advance,
> Biker Dude
My `01 shadow 750 has the same arrangement . As long as the ignition
switch is on ? the headlight is on.As soon as you push the start
button ? the headlight goes out UNTIL the engine catches and you
release the start button.
Putting a switch in series with the headlight isnt a biggy.It wont
increase the output voltage of the alternator /generator but it will
increase the ability of the charging circuit to recharge your battery
quicker.
Hope this helps
Ed
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> electronic ignition system's reading and cause an abnormal conflict
> somewhere, unless you really know the bikes wiring....and other "fixes".