Bike Alarms

Looking on ebay and there's quite a few alarm systems out there. I think the Cheetah one stands out the most but wondering what everyones experiences with bike alarms is like out there. Good, bad, pointless, saved my bike?
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bonester wrote: Also I suspect the alarm has caused a little electrical fault in my ZZR- when you hit redline, the headlights turn themselves off- I don't ride along at redline at night very often so haven't worried about it. I wired the alarm into the tail-light harness so that the alarm turns the indicators on when arming- I think this interferes with the headlight circuit, but haven't worried or investigated it.
bonester wrote:Yeah I might have to fix that one day, Richard......only had the bike nearly two years....
swabio-ACT wrote:bonester wrote: Also I suspect the alarm has caused a little electrical fault in my ZZR- when you hit redline, the headlights turn themselves off- I don't ride along at redline at night very often so haven't worried about it. I wired the alarm into the tail-light harness so that the alarm turns the indicators on when arming- I think this interferes with the headlight circuit, but haven't worried or investigated it.
Neil showed me the vid of your lights going out @ redline! That is weird!
Lights, like indicators, will give you a false ground (or negative). That is, it will for all purposes look negative until you use the circuit and suddenly the ground is live. So if you have wired anything in like that you might get some unexpected results.
Sounds like you have hooked a positive up to the indicators (correct) and grounded something through a tailight or even the indicator (incorrect).
However, this does not explain the headlights going out at redline. In fact, that makes no sense at all. Unless you have a shift light that is wired up wrong (see above) and comes on at redline???
bonester wrote:
...but alarm negative is direct to frame.
chrjonzx9r wrote:Gday,
Well i paid a little more for my bike alarm as my mind frame was that with my insurance it was going to cost me at least $1100 in excess if someone stole it.... so i spent $800 on a bike alarm. Yes its probably alot of money but it has saved my bike numerous times so it is worth every cent of the money.
Well your probably wondering what you get for $800