You can still use that fuse, if you're going with a relay set-up. Relays are very low draw, milli-amps at most for the average 12V relay.
Do you have a multimeter? -Kurt On Tue, May 3, 2016 at 8:39 PM, Jared Clifton <[email protected]> wrote: > Kurt, > Thanks for the advice. That's exactly what I was afraid of. That just > seemed to be what a lot of people did to connect these, but on different > bikes (probably with much better charging systems). > > I'd probably mostly use them on the freeway, so hopefully I'd be going > fast enough to keep up with the load. But, the bigger question is still > where the best place to splice them in would be, if not the taillight. > > -Jared > > > > On Tuesday, May 3, 2016, Kurt Nolte <[email protected]> wrote: > >> Draw directly from that tail-light wire for a 4-amp load? That light is >> on a fuse that is in common with all the instrument lights, on a 15A fuse. >> Your grips would chew up a good third of that capacity, and who knows what >> their initial start-up load is. >> >> >> If you have to do it that way, I would use your tap to trigger a relay >> (and please, PLEASE do not use an insulation piercing tap to do it with. >> That's begging for corrosion in the wires later) that is fed directly off >> the battery. >> >> Be mindful of the weakish charging system and your small battery, you >> aren't putting out energy from the alternator at low engine speeds, so an >> additional 50W of load may be a drain if you do a lot of low speed riding. >> >> >> >> On Tue, May 3, 2016 at 6:38 PM, Jared Clifton <[email protected]> >> wrote: >> >>> I am adding some heated grips to my '83 Nighthawk 650. They say they >>> draw 4 amps. I was going to splice into the positive to the taillight, but >>> I wondered if anyone else had done this and what their experience was with >>> it? I don't want to start blowing fuses. >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Nighthawk Motorcycle Lovers!" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at https://groups.google.com/group/nighthawk_lovers. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "Nighthawk Motorcycle Lovers!" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/nighthawk_lovers/qnYS_Y24k9s/unsubscribe >> . >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at https://groups.google.com/group/nighthawk_lovers. >> For more options, visit https://groups.google.com/d/optout. >> > -- > You received this message because you are subscribed to the Google Groups > "Nighthawk Motorcycle Lovers!" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at https://groups.google.com/group/nighthawk_lovers. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/nighthawk_lovers. For more options, visit https://groups.google.com/d/optout.
