As the post says. anyone know what each little switch means?
Our old odometer quit working, so we got one from a junk truck and it's way off.
Any help most welcome.
Thank you
Need to calibrate a 1999 sterling odometer
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by greaseburner, Aug 17, 2018.
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Maybe just set the switches the same as the old one?
AModelCat Thanks this. -
With that said, anyone know what he switch represents? I am thinking of changing rear ends in that truck. Thanks -
IIRC there is a mathmatical formula specific to the speedometer that you need to fill in with info specific to your truck (tire size, number of teeth on tone ring, gear ratio etc). Once you have the equation solved then you set the switches according to the closest number in the speedometer manufacturer's manual.
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If you only have 1 plug on the VSS, then that is for the engine ECM and the speedo pulls speed from the engine. In that case, the dip switch settings stay the same and you'll need to adjust the pules per mile in the engine ECM to correct the speedo for any gear ratio/tire size change.BoxCarKidd and swaan Thank this. -
Last edited: Aug 17, 2018
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I tried posting a picture, but as per the norm the file won't upload even though I take the picture with the icon here on this forum.
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