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Old 02-01-2016, 10:28 AM   #1
Hart_Rod
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GM Pulse Generator for electric speedo
This a new part. They list for $129 from DD, I will take $80 shipped..

The missing piece of the increasingly popular early-GM transmission swap!
With late-model GM transmissions containing an internal speed sensor outputting 128,000 Pulses Per Mile, the stock 40-tooth (40 pulse per revolution) reluctor ring provided the factory ECM with a high frequency input. The SEN-01-128 can now recreate this missing high frequency rate when converting to an older style transmission with a mechanical speedometer output.

With a standard female 7/8” thread-on fitting, the SEN-01-128 fits all GM transmissions with a mechanical speedometer cable outlet. Removable weather-tight 10’ cable provides for simple installation and cable routing. 128,000 Pulse Per Mile Sine Wave signal output is direct replacement for the stock GM internal speed sensor, allowing the ECM receive the signals it needs for proper operation.

Fits GM transmission models with 7/8” Male Threading, ie: TH350, TH400, 700r4, 2004r, etc.

http://www.dakotadigital.com/index.c...rod/prd916.htm
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Last edited by Hart_Rod; 02-03-2016 at 11:47 AM.
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Old 02-01-2016, 11:26 AM   #2
michael bustamante
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Re: GM Pulse Generator for electric speedo
so this is not for the 4l60 then?
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Old 02-01-2016, 11:34 AM   #3
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Re: GM Pulse Generator for electric speedo
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so this is not for the 4l60 then?
Michael - 4L60e's have a built in signal generator.
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Old 02-05-2016, 12:33 PM   #4
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Re: GM Pulse Generator for electric speedo
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Old 02-05-2016, 12:52 PM   #5
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Re: GM Pulse Generator for electric speedo
So this is for the LS crowd that wants to run an older model trans?
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Old 02-05-2016, 12:59 PM   #6
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Re: GM Pulse Generator for electric speedo
Do you know of there is a way to T the speedo cable and still be able to retain the mechanical speedo ? I dont want to switch to a electric speedometer. I would like a vss signal for my ls swap but plan to keep my 400 and gv od setup. If there is a option to t the cable i will take it.
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Old 02-05-2016, 03:20 PM   #7
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Re: GM Pulse Generator for electric speedo
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Originally Posted by 70STOVEBOLT View Post
So this is for the LS crowd that wants to run an older model trans?
Yes or you can run an electric speedo with the older transmission.

Quote:
Originally Posted by 72MARIO View Post
Do you know of there is a way to T the speedo cable and still be able to retain the mechanical speedo ? I dont want to switch to a electric speedometer. I would like a vss signal for my ls swap but plan to keep my 400 and gv od setup. If there is a option to t the cable i will take it.
When you swap to an LS you will need the signal from this to go to the computer.
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Old 02-05-2016, 03:47 PM   #8
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Re: GM Pulse Generator for electric speedo
Do you know if there is any way to split the cable and run this as well as the factory speedometer cable ?
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Old 02-05-2016, 04:08 PM   #9
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Re: GM Pulse Generator for electric speedo
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Do you know if there is any way to split the cable and run this as well as the factory speedometer cable ?
This "might" work, but I would call and explain what I'm doing before purchasing.

http://www.dakotadigital.com/index.c...rod/prd109.htm


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Old 02-11-2016, 06:15 PM   #10
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Re: GM Pulse Generator for electric speedo
Bttt
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Old 02-13-2016, 12:04 AM   #11
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Re: GM Pulse Generator for electric speedo
Hey 72MARIO, I could've saved you the shipping costs, and picked it up.
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Old 02-19-2016, 09:26 AM   #12
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Re: GM Pulse Generator for electric speedo
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Old 02-29-2016, 09:03 AM   #13
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Re: GM Pulse Generator for electric speedo
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Old 03-28-2016, 10:25 PM   #14
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Re: GM Pulse Generator for electric speedo
bttt!
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Old 03-30-2016, 11:36 PM   #15
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Re: GM Pulse Generator for electric speedo
Don't know if they are still around, but taxi cabs had a splitter to run their meter.
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Old 04-02-2016, 02:49 PM   #16
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Re: GM Pulse Generator for electric speedo
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Old 04-13-2016, 12:12 PM   #17
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Re: GM Pulse Generator for electric speedo
ttt
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Old 04-28-2016, 09:12 AM   #18
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Re: GM Pulse Generator for electric speedo
bttt
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Old 10-19-2016, 01:33 PM   #19
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Re: GM Pulse Generator for electric speedo
bump!
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Old 01-20-2017, 02:02 PM   #20
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Re: GM Pulse Generator for electric speedo
Still available?
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Old 01-20-2017, 02:29 PM   #21
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Re: GM Pulse Generator for electric speedo
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Still available?
yes it is!
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Old 01-20-2017, 03:38 PM   #22
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Re: GM Pulse Generator for electric speedo
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yes it is!
Ok, I just need to do some research about this thing, I'll get back to you!
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Old 01-23-2017, 09:22 AM   #23
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Re: GM Pulse Generator for electric speedo
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Ok, I just need to do some research about this thing, I'll get back to you!
What did you figure out?
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