GNVenom
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GNVenom

Well-Known Member, Male, 63, from Loveland, CO

GNVenom was last seen:
Aug 18, 2017 at 8:48 PM
    1. tom weber
      tom weber
      Hello John my name is Tom,I have a 1987 GN with (dead ) digital dash.Id like to check the wiring for correct power before sending out.Can you provide a diagnostic quick check.Regards Tom 516-527-4114
      Oct 19, 2016
      2. GNVenom
        GNVenom
        First, check the INST fuse.

        Then, check the pink/black wire for 12 volts on the connector that is directly behind the dash cluster. There is a plug-in that sits at an angle when the dash is removed. There is also a memory wire that's continuous 12 volts (same circuit as the radio station memory) that can be checked.

        A dead power supply is a very common problem with the digital dash clusters, however.
        Oct 19, 2016
    2. matt921
      matt921
      John, This is Matt Holcomb I drove up last week and bought a cam cap from Justin. I'm having issues. No matter where I turn it the light will stay on. I reset my cas like how it is in the instructions with the window facing the driver head light. I read on a post that there was a issue with magnet strength. Please let me know if you can give me some help.
      Thanks
      Matt
      720-345-4857
      Jan 16, 2016
      2. GNVenom
        GNVenom
        If you have an aftermarket ignition module, it could be the problem.
        If not, take the cap off the drive, turn the key to run, and pass a screwdriver thru the window slot under the cap. The light should turn off when the screwdriver blocks the slot.

        If it does, you may have a worn cam sensor drive.
        John
        Jan 16, 2016
      3. matt921
        matt921
        John I figured it out. After fighting with it for a few days. Turns out my module was bad. It would start then die. Swapped out the module fired up ran perfect. Thank you for replying you and your company have helped me tons.
        Matt
        Jan 17, 2016
    3. 231REGAL
      231REGAL
      Apr 19, 2015
      2. GNVenom
        GNVenom
        We haven't been able to get those gray connectors for many years. Long since obsolete as they were unsealed. What we recommend is that you replace the original relay, connector, and wiring with a current-production sealed relay.
        Apr 19, 2015
      3. 231REGAL
        231REGAL
        Thanks John!
        Apr 19, 2015
    4. SAMBALLS1
      SAMBALLS1
      John, I have a custom wiring h arness from you for my fast xfi. How do I flash the new update on the xfi with this harness? I can do it by gounding the pin in the aldl connector right? I just don't remember which one I have to ground.
      Thanks
      sam
      Feb 2, 2015
      2. GNVenom
        GNVenom
        Check with Cal Hartline. I believe you ground one of the terminals on the ALDL, not sure which though. Our harness is wired like the factory harness with regard to the ALDL.
        John
        Feb 2, 2015
    5. Tom Walker
      Tom Walker
      Hey John, did you ever do that Dakota Digital write up for the GN?
      Apr 21, 2013
      2. GNVenom
        GNVenom
        I didn't plan on one for the Dakota. Actually never saw one of them. I was going to do one on the GNX conversion, but haven't yet.
        Apr 21, 2013
    6. jehenke
      jehenke
      Good day John. I have a question for you. I recently converted my 86 GN to a BBC. Since then, the digital dash hasnt worked. I eliminated the ECM harness. Obviously, I broke a loop by doing this. What do I need to power the dash? Everything else works. Turn signals, security light. I really need the dash for the speedo and fuel gauge. I read something about the (C437) clear connector behind the glovebox. Thanks, Jim
      Oct 7, 2012
      2. GNVenom
        GNVenom
        There's a ground for the dash at the C437 connector. That connector was near the ECM and has 13 wires in it. The black with white stripe needs to be grounded, and the dash should work after that.
        Oct 7, 2012
    7. PLAINWHITE T
      PLAINWHITE T
      Sorry John,

      My paypal address for invoice is cmeyer@myomnitel.com
      Apr 22, 2012
    8. PLAINWHITE T
      PLAINWHITE T
      Hello John,

      If you still have a vaccuum block available, I'd like one please. Please forward your paypal address via pm.

      Thanks,
      Chuck Meyer
      Apr 22, 2012
    9. morg87t
      morg87t
      gnvenom,is there a fusible link from the starter that feeds the cigclk 20 amp radio 5amp and the taillps 20 amp fuses ? the reason I ask is that I have no power at these fuses or should I be checking the ground for these fuses also where would it be located ? thanks MORG87t
      Mar 1, 2012
    10. gsjo
      gsjo
      I'll take 3 sets.ThanksJoe
      Jul 4, 2011
    11. bullrun009
      bullrun009
      I was told to contact you because you work at Casper's, and I was wondering if you could help me find a pigtail for 86 GN that I cant find anywhere, I am new to the website and if you don't mind I was wondering if I could have your email so I can send you the picture of the pigtail that I need, thanks. Dan
      Dec 10, 2010
    12. Tony Shoaff
      Tony Shoaff
      John another question after install?? I have hooked up the battery testing the electrical system on the Atomic GN. I have tail lights and headlights, nothing else? No motor or trans. I grounded all grounds though and have HL&TL's What is wrong? Thank You.
      Jun 24, 2010
    13. GNVenom
      GNVenom
      Mar 16, 2010
    14. realspartan
      realspartan
      Hi,

      How do you remove the analog cluster? Do you have those instructions?

      Regards,
      Realspartan
      Mar 16, 2010
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  • About

    Gender:
    Male
    Birthday:
    May 15, 1954 (Age: 63)
    Home Page:
    http://www.casperselectronics.com
    Location:
    Loveland, CO

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    John Spina
    Caspers Electronics Inc.
    Author - TECH Articles

    It's only funny until someone gets hurt.
    Then it's friggin hilarious!

    I see slow people.
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