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Technical CLASSIC INSTRUMENTS 1940 DIRECT FIT ISSUE

Discussion in 'The Hokey Ass Message Board' started by Bandit Billy, Jun 1, 2024.

  1. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 15,883

    Bandit Billy
    ALLIANCE MEMBER

    Like the ***le implies, I am having an issue and would like to remedy it before Monday when the tech line is open. My tach and gauges were working fine but when I attempted to calibrate the speedo something went wrong. Now the tach needle is on the wrong side of the peg. WTF? Anyone have any ideas? I shut off the power to attempt a reboot but that didn't have any effect (works on my phone).

    I have seen numerous installs of the direct fit cluster on the HAMB, has anyone had this issue?
     
  2. hotrodA
    Joined: Sep 12, 2002
    Posts: 7,336

    hotrodA
    ALLIANCE MEMBER

    Hope that it’s an easy fix! I have one NIB for mine, so I’ll be interested in the outcome.
     
    Bandit Billy likes this.
  3. 19Eddy30
    Joined: Mar 27, 2011
    Posts: 3,869

    19Eddy30
    Member
    from VA

    No help , will watch for the cauls ,
    It aways seem when needing to talk with Tec its after hrs / weekend ,,
    Just wondering if there Possibly European mode for right hand drive, gauge sweep backwards?
     
  4. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 15,883

    Bandit Billy
    ALLIANCE MEMBER

    No clue. I’m guessing that the tach is indicating there is an issue like a check engine light.

    I really don’t want to remove the cluster. I’ll report back the findings Monday. Hoping for something
     
  5. pprather
    Joined: Jan 10, 2007
    Posts: 8,925

    pprather
    Member

    Call Cl***ic tech help.
    I had the same thing happen to a Cl***ic 5" speedo. I think they told me to drive at 30 mph and it would correct. Whatever they told me, it worked and has been trouble free since.
     
  6. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 15,883

    Bandit Billy
    ALLIANCE MEMBER

    The tech guy said the tach needle issue is not uncommon and that I didn't hurt anything. He suggested using a magnet to pull it around counter-clockwise. I tried with a 3/4" rare earth magnet, it moved it a ways but not past 6 o'clock or so. The only other magnet I could think of in the tool box was one of those bolt picker upper things but it didn't move the needle at all. However, when I stuck the rare earth magnet to the bolt grabber it swept the needle around in seconds.

    Now I was able to enter the factory settings mode and I'm ready to calibrate again once the rain stops in a couple of days. He said the measured mile is the best way to calibrate especially working alone. So I will map me out a course using my Silverado.
     
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  7. 19Eddy30
    Joined: Mar 27, 2011
    Posts: 3,869

    19Eddy30
    Member
    from VA

    Good to know , I have not encounter this issue but have program a couple electric speedo / tac in big trucks,
    When It comes to Magnet sticks in my past experience the ones that come from auto parts stores / big box stores are weak /junk not enough magnet strength /pull,
    But the ones that Sap /Mac that have the shell ring that you can slide up steam of magnet Is stronger when shell ring is around magnet and I would ***ume placing another stacking magnet it will make it even stronger & direct /narrow the pull Focus
     
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  8. hotrodA
    Joined: Sep 12, 2002
    Posts: 7,336

    hotrodA
    ALLIANCE MEMBER

    Good to know, BB. Thanks for sharing the fix!
     
    Bandit Billy likes this.
  9. MCjim
    Joined: Jun 4, 2006
    Posts: 1,375

    MCjim
    Member
    from soCal

    find a straight road you want to use on Google earth, and you can get a very accurate measurement.
     
    Bandit Billy likes this.
  10. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 15,883

    Bandit Billy
    ALLIANCE MEMBER

    That's what I tried the first time, but I screwed it up exiting the calibration mode. According to the tech, most issues are with the ****on, it doesn't always make contact when pressed. You think you pressed it but not so much. That could be, when I was resetting it to factory settings today (erasing the programming I entered) I had to repeat the sequence twice to get it in the right mode. Cheap little ****on, I would recommend installing a better momentary ****on when wiring to those who have yet to install one. And make sure you mount it somewhere handy so you can operate it whilst driving!
     
    Algoma56 and The 39 guy like this.
  11. Is the ****on supplied with the instrument cluster?
     
  12. Bandit Billy
    Joined: Sep 16, 2014
    Posts: 15,883

    Bandit Billy
    ALLIANCE MEMBER

    Yes, they include one but I would opt for a higher quality switch. I mean I guess you only use it once, it's likely fine. Just be aware if something goes wrong while calibrating it is probably that switch.

    I mapped out a one mile course in my subdivision using my Silverado and then took the 41 on the same route to calibrate the speedo. You have to make sure that ****on makes contact, I found I had to jiggle it a bit and press firm, but it worked! The high beam indicator and turn signal indicators do provide feedback if you are doing it right.

    More advise on the ****on, where ever your key is (mine is on the left) install the ****on on the opposite side on the dash. To enter the calibration mode you have to hold that ****on while starting the car. That gets tricky if you install the ****on near the ignition switch.

    This is on my way to work this morning. 60 MPH at 1800 RPM. T's & P's lookin good. That's a 3:70 9" Posi back there. Cool.
    [​IMG]
     
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  13. 1946caddy
    Joined: Dec 18, 2013
    Posts: 2,352

    1946caddy
    ALLIANCE MEMBER
    from washington

    I have a off topic truck and the tach hasn't every worked since I got it. Driving though the desert on the way to Vegas last year at about 80 MPH, I looked down and the tach was working. worked great for about 3 hrs. and then started to do weird stuff like ******* the needle all the way around at the post. Suddenly quite working and hasn't worked since.
    And here I just got my $1000.00 set of Cl***ic instrument gauges in the mail a day ago.
     

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