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Old 06-01-2018, 11:44 AM   #4
suburban99
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Join Date: May 2014
Location: Mission BC
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Re: A VSS/Dakota digital question for someone smarter than me..

Quote:
Originally Posted by dayj1 View Post
You don't need the SGI-5E at all. Take the two wires from the SEN-01-4160 and connect them to the red connector pins 20 and 21. It's an AC signal, so it doesn't matter which wire to which pin as long as its 20 and 21.

That should get you reading a speed, but it'll be really low since the original 4l60 or 4l80 speed sensor would have put out 40 pulses per driveshaft revolution and the DD one puts out 8 pulses per speedometer cable revolution. If your speedo is reading correctly (meaning that you have the correct speedo drive gears in the transmission), you will be getting 8000 pulses per mile. Your tuner can do the math with your gear ratios and tire size to adjust the pulses per mile in the tune.
Currently I am using pin 22 and 23 as my ECM print says to use these for a 6.0? Or am I reading it wrong? I don't have any wire on 20.
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