Loud Turn Signals Save Lives
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Petty Tyrant
GTS250 GTS300 MP3 500
Joined: 11 Oct 2005
Posts: 30064
Location: Bay Area, California
Sat Jun 07, 2008 6:17 pm quote
Created article Loud Turn Signals Save Lives

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Destroyer of Worlds
LML Star 125, Vespa GT200
Joined: 12 Aug 2007
Posts: 2011
Location: London, United Kingdom
Mon Jun 09, 2008 4:44 pm quote
I connected mine in parallel with the pilot lamp (in the headset). The buzzer itself hangs by the wires outside the headset top. It's hard to hear over wind noise (through earplugs) at top speed, but around town it's more than adequate.
Joined: 10 Sep 2009
Posts: 1
Location: Victoria, BC, Canada
Sun Sep 13, 2009 2:36 pm quote
Fabulous. Works like a charm. Didn't cut and splice at all, the wires connected right to the signal lights nicely.
GT 200L 2005
Joined: 17 Jan 2013
Posts: 1
Location: Auckland, Aotearoa/New Zealand
Thu Jan 17, 2013 1:26 am quote
Thank you for this....
yes thanks for this- will have a crack at doing it as the panel flash lights are very dim on my GT200 and i like the beeping on my mate's LML (the right one on the dash doesn't even flash or go on- so next will be to figure out how to get that working too so it flashes- and beeps ) Don't fancy going over a car bonnet again
Joined: 21 Dec 2007
Posts: 306
Location: Fort Collins, Colorado
Wed Dec 25, 2013 4:20 pm quote
As cheap as the piezo buzzers are at Radio Shack, instead of any complicated wiring, why not just use 2 buzzers, one for left and one for right?

The Hornet (GT200, aka Love Bug) and 'Dimples' - a GTS 300
Joined: 26 Aug 2007
Posts: 39539
Location: Pleasant Hill, CA
Fri Dec 27, 2013 9:48 am quote
If you have two buzzers without diodes, you can't used the brakelight switch output as the buzzers' grounding point, as one or both of the buzzers would be on all the time. If you're going to add diodes to allow this, why use two buzzers in the first place?

Why use the brakelight output as the grounding point? Simples, even with the turn signal on, the buzzers go silent when the brake lights are on, which saves considerable annoyance both to the rider and passers-by when waiting at traffic lights etc. It also performs the useful check that each brake light switch is working, and that the brake light bulb(s) are functional.
2015 Sprint 150ABS
Joined: 17 Aug 2016
Posts: 59
Location: Minneapolis, MN
Sun May 28, 2017 5:32 pm quote
Where are parts available!
Any suggestions on where to get parts now that Radio Shack is gone?
The Hornet (GT200, aka Love Bug) and 'Dimples' - a GTS 300
Joined: 26 Aug 2007
Posts: 39539
Location: Pleasant Hill, CA
Mon May 29, 2017 2:13 am quote
Frys for a walk-in shop, or any online electronic component supplier such as RS or Farnell. e.g.:

2018 Sprint 150
Joined: 23 Apr 2019
Posts: 17
Location: Silver Spring, MD, USA
Fri Jul 10, 2020 8:41 am quote
Another alternative for those of us with an unused antitheft device plug is to wire the buzzer into to the mating cap. On my 2018 Sprint 150 that's a TE AMP Multilock .070 8-position cap; the part number is 174931. I got mine from Digikey. The part number for the pins to crimp to the wires is 345210-1.

You can then slip this onto the antitheft plug and the job is done. Easily removed if you or a future owner decide you don't want it anymore.

The antitheft plug does not offer a convenient way to wire the buzzer into the brake light as jimc recommends, however.
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