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Electronic Smiths Speedo Not Reading Below 20Mph


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#16 Hedgey

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Posted 06 June 2022 - 04:48 PM


slightly off topic sorry - mine reads fine.... but never registers full .... do you have issues with that aspect ?

Is it a digital one as well?
What doesn’t register full?
digital..... it only registers 3/4 when full- and the fuel sender has been changed...... also get random flicking of the needle from to max , then min, then back to the correct speed again ( a bit like when you switch engine on )

Interesting, I will see what mine reads when I fill it up again.

I also get the gauge flicking over to max and back every now and again for no reason. I thought it was a bad ground but I have taken a ground directly from the battery so it can’t be that.

What speed sensor are you using?

#17 Hedgey

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Posted 06 June 2022 - 04:50 PM

Interesting stuff,

I'm wondering how "digital" it actually is if it needs a minimum number of pulses to register. A speedo not registering under 20 might be tolerable if it's more accurate above that speed, but it has to be useless as an odometer.


I invested in this digital speedo hoping for better accuracy/ reliable readings, so far I’ve been disappointed. Surely not reading below would be an MOT fail as well?

#18 PoolGuy

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Posted 06 June 2022 - 05:21 PM

For me the 6 pulse sensor was super accurate at all speeds above 20, the 8 pulse sensor is accurate as soon as the van starts moving. No dropouts or spiking.



#19 mrmeds

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Posted 06 June 2022 - 07:34 PM

 

 

 

slightly off topic sorry - mine reads fine.... but never registers full .... do you have issues with that aspect ?

Is it a digital one as well?
What doesn’t register full?
digital..... it only registers 3/4 when full- and the fuel sender has been changed...... also get random flicking of the needle from to max , then min, then back to the correct speed again ( a bit like when you switch engine on )

Interesting, I will see what mine reads when I fill it up again.

I also get the gauge flicking over to max and back every now and again for no reason. I thought it was a bad ground but I have taken a ground directly from the battery so it can’t be that.

What speed sensor are you using?

 

just appears on mini sport invoice as Speed sensor TES1800-3031






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