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It could be done, find the signal lead between the HDAlarm System and the Smart Siren II, take that to a relay; relay operates the horn when closed and the siren will work at same time.
Do a search for Radio Shack siren. $5.36 for the siren, just did one on my 2008 FLHTC
Sounds and works great. 10 minutes to install........
Could you explain this a bit more in depth? Like where did you mount the RS siren? How did you wire the siren into the alarm module? and so on.
I have the HD security system on my 08 SG, but no siren....and I would like one. I have the complete system on my SE-Deuce, alarm w/siren, and the siren is plenty loud and works flawlessly, with adjustments for sensitivity even. If I can figure out a alternative, I will have to go with the HD part.....I may even get the pager for the 08"???
problem with the '07 and later systems is you cannot adjust the sensitivity like you can on the earlier models. I like the auto arming on my '07 UC compared to the one on my '06 WG that requries pushing the button on the fob. On the '07, you almost have to stand the bike up before the siren will go off. going with the siren on either model is the way to go. the pager is a nice addition, but it does go through batteries rather quickly.
am thinking about adding more noise to the siren, by adding the RS siren. just haven't gotten around to wiring it in, and not sure I can use both the HD siren and the RS siren together. probably not needed, but.....
I would recommend always using the HD siren at a minimum, as it is self-powered, and does not require the bike's battery to work.
problem with the '07 and later systems is you cannot adjust the sensitivity like you can on the earlier models. I like the auto arming on my '07 UC compared to the one on my '06 WG that requries pushing the button on the fob. On the '07, you almost have to stand the bike up before the siren will go off. going with the siren on either model is the way to go. the pager is a nice addition, but it does go through batteries rather quickly.
am thinking about adding more noise to the siren, by adding the RS siren. just haven't gotten around to wiring it in, and not sure I can use both the HD siren and the RS siren together. probably not needed, but.....
I would recommend always using the HD siren at a minimum, as it is self-powered, and does not require the bike's battery to work.
...Another reason I find the aftermarket alarms systems are preferable to the HD stock system.
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