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  #21  
Old February 4th, 2014, 11:57 AM
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Jason England
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Originally Posted by bomilcar View Post
The VDO is installed and wired in. Any one have a good starting point for the pulse rate to enter when manually calibrating the unit?
Thanks
I drove along and used the up or down function to do this to calibrate to the GPS while driving along ( a deserted road )
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  #22  
Old February 4th, 2014, 12:07 PM
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Stephen Miller
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Good Info

I have the pulse rate set 7650 and the speedometer is running about 6 MPH slow from my GPS. Not bad but I would like to zero in on it a bit more.

The instal went really thanks to all your input.

Thanks,
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  #23  
Old February 4th, 2014, 01:06 PM
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Quote:
Originally Posted by leastonce View Post
I drove along and used the up or down function to do this to calibrate to the GPS while driving along ( a deserted road )
That (the "adjust" function) only affects the speedo, not the odometer. For the odometer, you need to set the pulse rate manually or automatically against 1 mile.
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  #24  
Old February 4th, 2014, 01:09 PM
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Quote:
Originally Posted by bomilcar View Post
I have the pulse rate set 7650 and the speedometer is running about 6 MPH slow from my GPS. Not bad but I would like to zero in on it a bit more.

The instal went really thanks to all your input.

Thanks,
Reduce the number by 6%. 7650 * 0.94 = 7191 Check again and adjust as needed.
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  #25  
Old February 4th, 2014, 01:14 PM
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Sorry to hijack, just a quick question. How did you guys program in the original mileage into the VDO? I'm looking at doing this very soon.
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  #26  
Old February 4th, 2014, 01:36 PM
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Stephen Miller
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Mileage

I did not program in the mileage from the old Speedometer. If some one is interested they can look at the original that is safely tucked in my parts stash. It will be some one else s problem: my D-90 like my Series III will be in my estate.
Take care
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  #27  
Old February 4th, 2014, 01:40 PM
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Quote:
Originally Posted by blaughva View Post
Sorry to hijack, just a quick question. How did you guys program in the original mileage into the VDO? I'm looking at doing this very soon.
i would like to do this too ... i guess the method is actually quite simple ... if you had something that could generate a specific number of pulses you could attach it and fire them in.
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Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #28  
Old February 4th, 2014, 01:47 PM
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http://flashoffroad.com/Accessories/...eedometers.htm

process might need an update ...
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Quote:
Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #29  
Old February 5th, 2014, 08:37 PM
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Charles Galpin
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It's easy to do but takes a long time because you can't exceed the speed on the gauge - something around 130mph iirc. I think it would take 3-4 months to get to 120k or so.

If you have a raspberry pi I can send you a simple script to do it. The base pi is pretty damn cheap - like $35.

Hell, I could probably lend you one if you promise to send it back.
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  #30  
Old February 5th, 2014, 08:58 PM
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Originally Posted by cgalpin View Post
It's easy to do but takes a long time because you can't exceed the speed on the gauge - something around 130mph iirc. I think it would take 3-4 months to get to 120k or so. If you have a raspberry pi I can send you a simple script to do it. The base pi is pretty damn cheap - like $35. Hell, I could probably lend you one if you promise to send it back.
send me script and I'll buy a pi ... I'm short of a toy!
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Quote:
Soapy water / KY jelly, etc. is is basically a must. Yes, good idea to remove trim panels - only takes 5 more minutes to do so.
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  #31  
Old February 5th, 2014, 10:02 PM
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Charles Galpin
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email sent.
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