Thu Jun 23, 2022 5:28 am

Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
 
Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
Thu Jun 23, 2022 5:28 am linkquote
Vespa Primavera 150

My seat will not open when the button on the front is pressed. There's normally a sound which is associated with power which releases the lock just before the lock releases. There's now no such sound and no "click" feeling- the button is just soft when pressed so I'm sure no power is getting there There's a manual release in the glove box so I am able to release the seat.

The Vespa is starting as normal so I guess the battery is not dead.

Although it did completely lose all power instantaneously whilst driving the other day in the middle of the road which was very weird. I left it for a minute and then it restarted reasonably OK.

I'm also sure I'm getting mild electric shocks from the metal part of the handlebars immediately next to the left brake handle

All very strange and I'm not sure if they're all connected. The bike is reasonably maintained and only a few years old.

Any advice welcome

Danny
Thu Jun 23, 2022 11:20 am

Molto Verboso
2016 Sprint S 150, 2016 Sprint 150, 2006 GTS 250, 2006 GTS 250, 2012 GTS 300, 1974 Vespa 150 Super
Joined: 21 Oct 2016
Posts: 1175
Location: Vermont
 
Molto Verboso
2016 Sprint S 150, 2016 Sprint 150, 2006 GTS 250, 2006 GTS 250, 2012 GTS 300, 1974 Vespa 150 Super
Joined: 21 Oct 2016
Posts: 1175
Location: Vermont
Thu Jun 23, 2022 11:20 am linkquote
Did you check fuse? If good, then I'm thinking a wire came off the switch or the switch went bad. I think you need to remove leg shield to access back of switch. You can then verify if wires still attached. Then test for voltage across wires. If good, then test for continuity across switch.

If all ok, then need to test solenoid that operates to open seat
Thu Jun 23, 2022 11:31 am

Addicted
2015 Vespa Primavera 50, 2021 Vespa Sprint 150
Joined: 05 May 2021
Posts: 508
Location: Naples Florida USA
 
Addicted
2015 Vespa Primavera 50, 2021 Vespa Sprint 150
Joined: 05 May 2021
Posts: 508
Location: Naples Florida USA
Thu Jun 23, 2022 11:31 am linkquote
On My Sprint 150 the seat also opens with the key fob. Does yours? Since I don't know your model year, I don't know if you have a key Fob.
Thu Jun 23, 2022 4:42 pm

Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
 
Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
Thu Jun 23, 2022 4:42 pm linkquote
Hi Rob
It's 2015
On this model there's a separate black button in the front only to open the seat.
Te key goes in a separate button to open the glove box. There's a latch inside the glove box to open the seat, if power is lost.

So I'm OK opening the seat but not in the proper way - but something is wrong somewhere
Fri Jun 24, 2022 12:07 am

Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
 
Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
Fri Jun 24, 2022 12:07 am linkquote
W b d v t
Thanks
May be beyond a non mechanic such as myself but I may well try your suggestions before taking to a mechanic. At least I'll learn something trying.
Many thanks
Fri Jun 24, 2022 2:44 pm

Molto Verboso
Xevo 250 ie
Joined: 12 Jun 2008
Posts: 1555
Location: Sunshine Coast, Australia
 
Molto Verboso
Xevo 250 ie
Joined: 12 Jun 2008
Posts: 1555
Location: Sunshine Coast, Australia
Fri Jun 24, 2022 2:44 pm linkquote
The button contact might be rusty. Try pressing the button 50 times to clean the rust.
Thu Jun 30, 2022 6:53 pm

Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
 
Lurker
150 primavera 2015
Joined: 23 Jun 2022
Posts: 4
Location: Hong Kong
Thu Jun 30, 2022 6:53 pm linkquote
Exactly that - I pressed it 40 times and indeed it's now working!
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