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Post by elliott on Oct 7, 2015 8:47:51 GMT
1981 P 200 E
Hi, so last week I bought my first Vespa and it seems to be great but for the fact that I have no stop lamp.
I have a large tail lamp assembly with two single-filament bulbs and when I switch the lights on both bulbs light up, take on bulb out, the other goes out.
There is no battery on this scooter.
When I look around the foot brake I can see no wiring or switches that could operate a brake light, is this normal?
Elliott |
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Post by vespasco on Oct 7, 2015 18:28:22 GMT
It could be wired wrong.
Check against a wiring diagram if yours is correct
You could have got the light feed going to the brake light and continuing on to the rear light?
I think the 'mechanical sensor' for the brake light is under the floorboards, in the lever mechanism. I cant quite remember exactly!
The wiring will come through the inside of the chassis, under the tank, an out the back.
A) Take out ok rear light and no brake light? - brake could be powered by the rear light. Which is wrong.
B) Take out ok rear and brake stays on? - the sensor is not working/seized on. Or as above.
C) Take out ok brake and no rear? - brake could be powered by rear. Wrong
D) Take out ok brake and rear working? - brake sensor not working
Something like that anyway
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Post by elliott on Oct 8, 2015 6:55:34 GMT
Cheers, I will be trying to work this out this weekend. Thanks for the check list, looks like a logical way to start. Does anyone have a photo of the sensor in place so I can see where to look for it?
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Post by henri on Oct 8, 2015 7:22:31 GMT
the switch is inside the frame mounted on the rear brake block ,http://www.sip-scootershop.com/en/ersatzteile/spare+parts++pxt5cosa-007/centre+stand+brake+pedal++shock+absorber+rear-220? .item 17 in this diagram . H
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Post by sime66 on Oct 8, 2015 7:24:52 GMT
It's on the back of the brake pedal, but inside the tunnel, so you have to drop the pedal out; you have to release the tension in the brake cable at the cam arm, and then there's a bolt and two nuts on the underside of the brake pedal to undo. Here it is, best picture I could find quickly - do a Google search for better images and the brake switch, probably time to get a Haynes manual too:  You will see two wires; the grey comes from your regulator (via indicator relay, but don't worry about that) and the blue goes to your brake light. There's two types of switches, but we can talk about that more when you've had a look at this. On the back of the light you should see this blue wire to the brake light, a black (ground) for both bulbs, and my tail light wire is yellow & black. Hope that gets you started. |
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Post by henri on Oct 8, 2015 7:28:30 GMT
thanks sime,knew there was a piccy in 1 of ya threads somewhere but couldnt remember which 1 to look in , H
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Post by sime66 on Oct 8, 2015 7:38:02 GMT
You posted while I was looking through my stuff, H. Never mind, we got there between us  |
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Post by elliott on Oct 24, 2015 8:33:29 GMT
Cheers everyone, just about to take the tool kit out to see what's what!
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Post by elliott on Oct 24, 2015 12:27:46 GMT
Okay, so the lights were wired wrong, the tail lamp was connected to the earth thus powering both lights.
HOWEVER!!!
Once wired correctly there is still no functioning brake lamp. I have had a look at the switch but who knows by just looking at it if it is screwed up or not so I'm at a bit of a loss.... I took a picture and as a new brake lamp switch isn't expensive I will get a new one but how do I know if it is a breaker or a maker (connection wise)? Anyone got an idea?
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Post by henri on Oct 24, 2015 14:30:10 GMT
its a push to break 12volt type on a px ,as in when brakes not applied its pushed open an doesnt pass volts .most 12volt standard switches are that way .its only 6volt to 12volt "conversion" switches that are otherwise. H
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Post by doulsy on Oct 25, 2015 17:01:53 GMT
i have a spare brake light switch for my 78 p200e non battery, you can have it if you want.
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Post by sbwnik on Oct 26, 2015 22:57:25 GMT
its a push to break 12volt type on a px ,as in when brakes not applied its pushed open an doesnt pass volts .most 12volt standard switches are that way .its only 6volt to 12volt "conversion" switches that are otherwise. H No it's not, it's push to make. Press the pedal, it releases the button, the metal piece slides up and connects the wires. Older ones - Rally etc - use press to break, this breaks the earth connection, forcing the current to the light. I'm disappointed in you mate! |
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Post by henri on Oct 27, 2015 8:19:42 GMT
an me in you , the push is on the switch not pedal , so when switch is pushed ,not pedal, its breaks the circuit ,when pedal is pushed it releases the switch an circuit is made .were both describing the same action ,but buying a "push to make switch" will get you the wrong one . best look for a 12volt px/pk switch an you should get the right item .
nice to see ya back nik , been to long , H
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