Honda Pacific Coast ipcrc Archives

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The Great LED Experiment, Part 2
Written by CalvinFold on 9/29/2004 at 04:06 pm

--- In ipcrc@yahoogroups.com, "Seth Stern" <unlikelyloginname@y...> wrote:
> --- In ipcrc@yahoogroups.com, "Kevin" <kevin@q...> wrote:
> > ...
> > Next step, the signal bulbs. I'm doing these over the weekend since
> I'm not
> > sure if I'm going to need the inline load units for the
> trailer....if I do, I'll have to
> > order them. I know I will need them for the bike, but haven't
> gotten that far.
> >
> > (The PC800 requires the load of the bulbs for the flasher for the
> signals to
> > work right, however LEDs don't have enough load, so the PC800
> thinks it has
> > a dead bulb and flashes the signals at double rate to let you
> know...aka
> > "thermal flasher." What I'm not sure is if the Uni-Go will suffer
> from this due to
> > the isolation relay. I suspect not, in which case it will rely on
> the PC800s load,
> > which is still all bulb-based and okay.)
> > ...
>
> Kevin,
>
> Typically isolation relays are used so that the trailer lighting
> circuits place an insignificant load on the bike's lighting
> circuits. The flasher on the bike won't notice the trailer's
> flashers so there should be no need for added loads on the trailer.
> (The relays also prevent the bike's lights from going out in the
> event of a short in the trailer wiring.)

That's what I was counting on, but it's good to hear verification.

> Replacement of the bike's turn signals with LEDs will likely require
> either added loads to satisfy the flasher or replacement of the
> flasher with a solid-state version that has a constant flash rate
> regardless of load.

Yeah, that much I knew, and I plan to just get the "load mimic" inline gizmos to
simulate the load rather than mess with the factory flash equipment. They
don't cost that much and I'll be in there re-wiring anyway.

:-)

Kevin
San Leandro, CA
---
1996 Honda Pacific Coast 800 ("Red Dwarf")
49,500+ miles || HRCA #HM729375
<http://www.quosig.com/pc800/>
---
2002 Uni-Go Trailer ("Starbug 1") || Trailer #499
<http://www.quosig.com/pc800/uni-go/>
---
Wednesday, September 29, 2004 || 9:06 AM PST
>
> Seth