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hot topic
Posted: Thu Jan 26, 2006 9:41 pm
by tellman1
Hey, quick question about heated grips...sorry if this is answered
somwhere else, just send me packin' if it is. The question: I just
got the Dual-Star heated grip kit for my buddy's A20, and other places
in this list I read that it was neccessary to add a relay to the system.
I was thinking to wire them to the unused "city light" wires (I read
about them on the excellent FAQ page)which are turned on and off with
the ignition. So is the relay necessary? It would make sense if I was
wiring to a constant power source, but if I'm I'm using a "switched"
source like the city light wires, it ought to be ok...right?
Has anyone else done this? If I'm at all on the right track here and
this'll actually work, will I need to replace the "city light" fuse,
and if so, how many amps?
I'm not an electrician by any means (should be obvious by now) but I
think I can figure out how to wire in a relay if one is needed...I was
just wondering if the info on needing to use a relay was still current
(no pun intended). : )
Thanks!
-Johnny
hot topic
Posted: Thu Jan 26, 2006 9:56 pm
by Jeff Saline
On Fri, 27 Jan 2006 03:38:36 -0000 "tellman1"
writes:
> Hey, quick question about heated grips...sorry if this is answered
> somwhere else, just send me packin' if it is. The question: I just
> got the Dual-Star heated grip kit for my buddy's A20, and other
> places
> in this list I read that it was necessary to add a relay to the
> system.
>
> I was thinking to wire them to the unused "city light" wires (I
> read
> about them on the excellent FAQ page)which are turned on and off
> with
> the ignition. So is the relay necessary? It would make sense if I
> was
> wiring to a constant power source, but if I'm I'm using a
> "switched"
> source like the city light wires, it ought to be ok...right?
>
> Has anyone else done this? If I'm at all on the right track here
> and
> this'll actually work, will I need to replace the "city light"
> fuse,
> and if so, how many amps?
>
> I'm not an electrician by any means (should be obvious by now) but
> I
> think I can figure out how to wire in a relay if one is needed...I
> was
> just wondering if the info on needing to use a relay was still
> current
> (no pun intended). : )
>
> Thanks!
>
> -Johnny
>>>>>>>>>>>>>>>>>>>
Johnny,
I suggest you use the city lights wiring to control a relay and run a
fused wire from the battery or battery side of the starter relay to the
new relay. Then run the power from the relay to the switch and from the
switch to the grips.
Some folks on the list seem to have results they are happy with using the
city lights wiring to power heated grips. I think the city lights wiring
is too small to provide adequate power.
I think the idea of using a larger fuse is not so good. The purpose of
the fuse is to protect the wiring. If you increase the rating of the
fuse you increase the possibility of damaging the wiring if you have a
problem. The fuse should blow before the wiring is damaged. Once the
smoke is out it no longer is an issue.
Best,
Jeff Saline
ABC # 4412 South Dakota Airmarshal
Airheads Beemer Club
www.airheads.org
The Beautiful Black Hills of South Dakota
75 R90/6, 03 KLR650, 79 R100RT
hot topic
Posted: Fri Jan 27, 2006 3:37 am
by Eric Lee Green
tellman1 wrote:
> Hey, quick question about heated grips...sorry if this is answered
> somwhere else, just send me packin' if it is. The question: I just
> got the Dual-Star heated grip kit for my buddy's A20, and other places
> in this list I read that it was neccessary to add a relay to the system.
>
> I was thinking to wire them to the unused "city light" wires (I read
> about them on the excellent FAQ page)which are turned on and off with
> the ignition. So is the relay necessary? It would make sense if I was
>
Do *NOT* use the "city light" wires to directly power heated grips. I
tried it. When I turned on the heated grips, my voltmeter showed that it
pulled the voltage to the headlight down to 10 volts! What this means is
that, since the voltage at the battery was 13.5 volts, I was losing 3.5
volts in the wiring.
Either wire your grips directly to the battery (but be aware you can run
your battery down easily that way!) or wire up a relay. I'd show you my
setup, but my setup is a bit more complicated because I also use the
same relay-driven wire to drive a cigarette lighter socket (for an
electric air pump). But in general it's pretty easy. When my #$%@#
bifocals aren't driving me nuts, I'll see about tossing together a quick
web page about my setup, with pictures, but right now I can't #$%@ see
worth a %#$!@ so it'll have to wait until I "adapt" (they say) to being
able to focus thru only one particular area of my glasses for a given
distance ($#%@).
-E
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Posted: Fri Jan 27, 2006 8:12 am
by sergio de oliveira
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