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Author: Subject: Speedo malfunctioning??
chrisxr2

posted on 5/5/14 at 09:29 PM Reply With Quote
Speedo malfunctioning??

Unsure if this is electrical or mechanical. Electronic speedo now reading vastly out, only really reads upto about 40mph, regardless of actual speed. Not had chance to have a proper look, any guesses at speedo or other end as pis sibyls cause??





Life moves pretty fast, if you don't stop and look around once in a while, you could miss it.

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olimarler

posted on 6/5/14 at 05:47 AM Reply With Quote
Not sure what type you have but check magnets on prop shaft. If ones come off then this could cause a problem.
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Barkalarr
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Building: Caterham R300, Caterham Roadsport,Indy R1,Indy Zet

posted on 6/5/14 at 06:19 AM Reply With Quote
I've just changed my speed sender - I did have a 2 wire reed switch and now swapped it with a 3 wire switch. Before, the speedo used to jump around all over the place - now it's solid as rock!
So, it could be a knackered sender ?

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pekwah1

posted on 6/5/14 at 09:44 AM Reply With Quote
Is it reading correctly up to 40mph?

I had a problem with mine before where the bracket that held the sender had moved slightly away from the prop.
Was fine at lower speeds, but as soon as i got to higher speeds, just dropped to zero.

Turned out the sender was too far from the magnet and wasn't getting a good reading

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chrisxr2

posted on 6/5/14 at 09:50 AM Reply With Quote
Not reading upto 40

Pekwah ah, it's not reading correctly at any speed, just shows a maximum of around 40 regardless of how fast you are actually going.

[Edited on 6/5/14 by chrisxr2]





Life moves pretty fast, if you don't stop and look around once in a while, you could miss it.

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pekwah1

posted on 6/5/14 at 10:18 AM Reply With Quote
what speedo and sender are you using sir?
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chrisxr2

posted on 6/5/14 at 05:35 PM Reply With Quote
Need to check

Need to go and check, bought car built.





Life moves pretty fast, if you don't stop and look around once in a while, you could miss it.

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