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Thread: Wiring for Speedometer help!!

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  1. #1
    Join Date
    May 2004
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    The cluster doesn't matter because I've tried 96-2000 and they all work the same. ChevyLee, did you say you pulled the switch off and turned it by hand with it plugged in? Did you leave the NS switch connected to the old harness or is it all in the new harness? Sorry for all of the questions but this is driving me crazy!!


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  2. #2
    Join Date
    Sep 2007
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    Texas
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    Quote Originally Posted by NITROUS View Post
    The cluster doesn't matter because I've tried 96-2000 and they all work the same. ChevyLee, did you say you pulled the switch off and turned it by hand with it plugged in? Did you leave the NS switch connected to the old harness or is it all in the new harness? Sorry for all of the questions but this is driving me crazy!!
    Its also driving me crazy. It is connected to the new harness. i pulled it out, left it plugged in used my ratchet to turn it *it just so happen to fit in the hole*. I turned it and watched the orange light move, it would go P R then it would shut off, then come back on in 3 and 2 then shut off. I put it back on while it said it was in R but it was really in P. Moved it a few times and shut it off, then turned it back on and it went back to P hair pulling

  3. #3
    Join Date
    Apr 2007
    Location
    Willows, California
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    Quote Originally Posted by NITROUS View Post
    The cluster doesn't matter because I've tried 96-2000 and they all work the same.
    I'm aware they all work the same, I was thinking that maybe some LEDs were out.

    Any update on the "rainbow" gauge wiring?
    Pete
    2002 Chevrolet Silverado
    2002 Pontiac Trans Am WS.6
    2004 Dodge Ram CCSB Cummins Turbo Diesel
    1989 Chevrolet Silverado RCSB - Work Truck, Vortec 454 swap in progress :rocking:
    1972 Toyota FJ-40
    1963 Chevrolet Corvette Prostreet

  4. #4
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    Quote Originally Posted by xXxSilveradoxXx View Post
    I'm aware they all work the same, I was thinking that maybe some LEDs were out.

    Any update on the "rainbow" gauge wiring?
    This is the info I got from worley.1

    I spoke to Jerod at Current Performance and he told me to take the Purple/white and Yellow/white wires from the factory harness going to the VSS and hook them up to the wires going to the VSS coming from the 4L60E which are Purple/white and Green/white on the harness that I have from Current Performance. he said that I need to scotchlock them. Purple/white to Yellow/white and Purple/White to Green/white. I know seems backwards. I will try it and let you know if it works.

    He tried this and it works.

    I tried this on my 4l80E and the speedo works! Im so happy!!
    89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears

  5. #5
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    Quote Originally Posted by Kros383SS View Post
    This is the info I got from worley.1

    I spoke to Jerod at Current Performance and he told me to take the Purple/white and Yellow/white wires from the factory harness going to the VSS and hook them up to the wires going to the VSS coming from the 4L60E which are Purple/white and Green/white on the harness that I have from Current Performance. he said that I need to scotchlock them. Purple/white to Yellow/white and Purple/White to Green/white. I know seems backwards. I will try it and let you know if it works.

    He tried this and it works.

    I tried this on my 4l80E and the speedo works! Im so happy!!
    So basically do this?

    Pete
    2002 Chevrolet Silverado
    2002 Pontiac Trans Am WS.6
    2004 Dodge Ram CCSB Cummins Turbo Diesel
    1989 Chevrolet Silverado RCSB - Work Truck, Vortec 454 swap in progress :rocking:
    1972 Toyota FJ-40
    1963 Chevrolet Corvette Prostreet

  6. #6
    Join Date
    Aug 2007
    Location
    Needville,TX
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    Yep thats correct.
    89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears

  7. #7
    Join Date
    Apr 2007
    Location
    Willows, California
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    Perfect! Just making sure before I start cutting. What paticular Scotchlok did you use when you wired up yours?
    Pete
    2002 Chevrolet Silverado
    2002 Pontiac Trans Am WS.6
    2004 Dodge Ram CCSB Cummins Turbo Diesel
    1989 Chevrolet Silverado RCSB - Work Truck, Vortec 454 swap in progress :rocking:
    1972 Toyota FJ-40
    1963 Chevrolet Corvette Prostreet

  8. #8
    Join Date
    Aug 2007
    Location
    Needville,TX
    Posts
    433
    I didnt use the scotchlock big connector....I used for Im going to call a T connector. It bascially is a scotclock thats clips on the wire and is female and you plug a spade terminal into it.

    When ur done it looks like a T

    I dont have a pic of mine and if u dont know what Im talking about I'll try to find a pic on the internet.
    89' GMC RCSB 6.0L LQ4, T56, 4.56 Gears

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