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  1. #1
    Join Date
    Jan 2012
    Location
    warwick ny
    Posts
    247
    Anyone with any help?

  2. #2
    Will the DRAC box work with a 4000ppm signal? I was told it had to be a 2000ppm signal. I am fixing to order one of the dakota digital signal conditioners to get my speedo working. but then again my DRAC is built into the cluster on my 91. I am runnign a nelson harness and am not sure. I can look on it and see what pin Nelson is useing for the speedo if you would like.
    91 RCSB-- Forged LS7 bottom end, ported LS3 heads, ported LS3 intake, custom EPS cam and a 4l80e.

  3. #3
    Join Date
    Jan 2012
    Location
    warwick ny
    Posts
    247
    Yeah that would be cool.My drac is behind the glovebox.I won't be using the drac signal.I will have the trans vss go to the 5.3 computer and out from the 5.3 computer to my speedo.

  4. #4
    Ok. I looked on my nelson harness and the speedo comes out of the red connector pin 50. Hope that helps. Let me know how it works out.
    91 RCSB-- Forged LS7 bottom end, ported LS3 heads, ported LS3 intake, custom EPS cam and a 4l80e.

  5. #5
    Join Date
    Jan 2012
    Location
    warwick ny
    Posts
    247
    I will let you know.I probably won't get it done until next weekend i have to install a boiler this weekend.

  6. #6
    Join Date
    Sep 2012
    Location
    Quakertown, Pa.
    Posts
    363
    I just used the speedo wire from the pcm and hooked it directly to the speedo. I don't know how, but it works fine for my '94 with original gauges.
    '93 Chevy 1500 4X4 ECLB with a '99 Silverado LQ4 6.0 and '99 Escalade 4L60E. SOLD IT!!

    New toy: 2001 2500 HD 4X4 Extended Cab Long Bed


    John

  7. #7
    Join Date
    Jan 2012
    Location
    warwick ny
    Posts
    247
    Good deal.Thanks for the input.

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