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UTC

Member
Vespa PX200
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Posts: 31
Location: Isle of Wight
 
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Vespa PX200
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Location: Isle of Wight
UTC quote
Had a go at fitting my SIP speedo today and came up against a few problems.

I have the speed sensor converter to replace the speedo cable but it doesn't look like it fits, does the part under the rubber seal come out? I can't seem to find a definitive answer but I have seen a mention of a top hat which could be the issue I have.

The other problem I have is finding a 12V source for the speedo to run. It has had the battery removed so is running AC, in the manual it says to find the headlight power wire, does this mean the wire going to the headlight switch?

I've given up for the day as I was getting frustrated and probably pissing a few people off as I have to have it running to find the right wires Laughing emoticon

I may also have another issue with the headlight switch itself but I'll save that for another day
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@rowdyc avatar
UTC

Molto Verboso
GL, PK, PE200 with hack, Sears Rust Badge
Joined: UTC
Posts: 1346
Location: Deep in the heart of Texas
 
Molto Verboso
@rowdyc avatar
GL, PK, PE200 with hack, Sears Rust Badge
Joined: UTC
Posts: 1346
Location: Deep in the heart of Texas
UTC quote
That speedo sensor in the picture is used with a magnet that rotates with the wheel. Just use your original speedo cable.

12v source from the headlight is at the headlight and not the switch. Tap into the wire that goes to the headlight.

Good luck.
UTC

parallelogramerist
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parallelogramerist
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UTC quote
Yes, the part that's under the rubber seal slides right out. It should come out fairly easily. Maybe hook it with a dental pick or a small screwdriver to fish it out.
OP
UTC

Member
Vespa PX200
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Posts: 31
Location: Isle of Wight
 
Member
Vespa PX200
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Location: Isle of Wight
UTC quote
rowdyc wrote:
That speedo sensor in the picture is used with a magnet that rotates with the wheel. Just use your original speedo cable.

12v source from the headlight is at the headlight and not the switch. Tap into the wire that goes to the headlight.

Good luck.
Original cable is knackered hence why I bought this one to solve any future issues with cables. Ironic that I'm struggling with it really Crying or Very sad emoticon

Thanks for wiring pointer, according to the wiring diagram I have that should be the purple wire but I'll have a test with the multimeter first
whodatschrome wrote:
Yes, the part that's under the rubber seal slides right out. It should come out fairly easily. Maybe hook it with a dental pick or a small screwdriver to fish it out.
Thanks I'll give that a go in a mo
OP
UTC

Member
Vespa PX200
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Posts: 31
Location: Isle of Wight
 
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Vespa PX200
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UTC quote
Had some success, speed sensor is now in
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@christopher_55934 avatar
UTC

Ossessionato
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
 
Ossessionato
@christopher_55934 avatar
2007 Stella 225
Joined: UTC
Posts: 3547
Location: Rochester, Minnesota
UTC quote
Wazzzer wrote:
Had some success, speed sensor is now in
What did you have to do? Going to be looking at mine today as I need to order one for mine to work.
UTC

parallelogramerist
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parallelogramerist
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UTC quote
Here's a pro tip...
that hex head screw that retains the metal backing plate for the speedo's rubber seal?...replace it with a socket head cap screw. It's easier to fit a "ball end" allen wrench than a socket or a wrench.
@gravelrash2004 avatar
UTC

Addicted
P Series / Li / LML / Motobi
Joined: UTC
Posts: 511
Location: UK - 3rd Rock From the Sun
 
Addicted
@gravelrash2004 avatar
P Series / Li / LML / Motobi
Joined: UTC
Posts: 511
Location: UK - 3rd Rock From the Sun
UTC quote
whodatschrome wrote:
Here's a pro tip...
that hex head screw that retains the metal backing plate for the speedo's rubber seal?...replace it with a socket head cap screw. It's easier to fit a "ball end" allen wrench than a socket or a wrench.
How have i missed this trick over the years....... nice suggestion....

if only i had had it 30 years ago i would not have skinned so many knuckles and uttered so many choice expletives
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UTC

Member
Vespa PX200
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Posts: 31
Location: Isle of Wight
 
Member
Vespa PX200
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Location: Isle of Wight
UTC quote
Christopher_55934 wrote:
Wazzzer wrote:
Had some success, speed sensor is now in
What did you have to do? Going to be looking at mine today as I need to order one for mine to work.
I couldn't get the top hat out of the housing. I needed a set of long reverse pliers really but ended up using all manner of picks and bits of wire and got there in the end.
whodatschrome wrote:
Here's a pro tip...
that hex head screw that retains the metal backing plate for the speedo's rubber seal?...replace it with a socket head cap screw. It's easier to fit a "ball end" allen wrench than a socket or a wrench.
Amazing tip, why didn't I think of this myself before I put it all back together?!

I'll do it next time Laughing emoticon

Now just to get the speedo wiring itself sorted which I think I've figured out
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