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Post by dukeboyz75 on Jun 23, 2020 18:33:40 GMT
Hi all. Basically I wanted my Speedo light to work as be nice to see when riding at night so I ordered a lammy bulb holder and wire with bulb for my primmy Speedo..I drilled out Speedo hole so it would fit.
I had a spare black wire inside my headset which I assumed was for my ass Speedo light.
Anyway on joining them up today and starting scoot nothing no light come on both 12v..
Can anyway help or know why electrics aren't my strong point at all.lol
Is there anyway I can just test to see if light works or then it into a switch light off an on with a switch..
Help appreciated 👍
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Post by jbcollier on Jun 24, 2020 12:52:05 GMT
What scoot is this?
Speedo body is plastic?
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Post by scottie75 on Jun 24, 2020 20:10:55 GMT
It's a vespa primavera with PK engine it's all on 12v.
And yes it's a plastic body Speedo..
I have a spare connection on headlight back do you think I have to connect the black which is earth to headlight then run Speedo light from pilot light.
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Post by scottie75 on Jun 24, 2020 20:14:37 GMT
I have never had this spare black wire connected inside headset but the lights and horn all work ok front and back.
But I don't have a pilot light in headlamp as if I remember they kept blowing..
Could this be the reason because the earth isn't connected to headlamp?
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Post by jbcollier on Jun 24, 2020 21:22:42 GMT
There is only so much diagnosing you can do remotely. Photos help a lot.
In order for the speedo bulb to work, it needs power and ground. Usually black is the ground. I would run a jumper off the power feed to the headlamps. Not off the headlamp itself but off the power feed to the headlamp switch. That, and your black for ground, and you should be good.
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Post by scottie75 on Jun 24, 2020 21:51:18 GMT
Ok thanks ..So your saying connect the Speedo wire to live in switch which colour is live ??
The black wire or earth in headset would you connect that up to headlamp then ?
Seems like headlamp has a spare connector terminal. And black wire has Spade connector on end.
Sorry electrics not my strong point .lol
I guess I can try and connect black wire to headlamp it wouldn't do any harm would it
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Post by jbcollier on Jun 26, 2020 13:28:01 GMT
Vespa Primavera, VMA1 or VMA2?
Original wiring harness?
Running a regulator?
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Post by scottie75 on Jun 26, 2020 19:39:50 GMT
Ok I found out now the spare black wire was my earth and all lights work now I have connected up black wire to spare headset tab then from there to frame🙂 But my Speedo light still won't work I connected it to earth nothing then I looked at beedspeed wiring loom diagram they said connect it too pilot light white wire did that still no light so I'm stumped. It's a vma2 frame with PK engine all 12v and yes I'm running a regulator. The bulbs work as I checked them out of scoot too.. Anyone have Any ideas  ? |
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Post by scottie75 on Jun 26, 2020 19:40:38 GMT
It was a beedspeed conversion harness for pk engine to run 12v...
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Post by jbcollier on Jun 27, 2020 4:46:31 GMT
It's a conversion harness so I can't help you. Buy a 12v test light like this:  |
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Post by jbcollier on Jun 27, 2020 4:47:39 GMT
You are looking for a wire that is always powered when the scoot is running.
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Post by scottie75 on Jun 29, 2020 9:15:30 GMT
All sorted now everything bis working 😁👍
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