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  1. #1
    Bronze Member KenVT's Avatar
    Join Date
    Mar 2005
    Posts
    79
    Location
    Vermont
    Tractor
    DX40 Case

    Default Glow Plug Light on while running

    Howdy,
    Any one had this happen....?
    Glow plug light gos off and on while running..... Now it seems to stay on all the time, but sometimes won't come on when needed, like cold weather starting....

    Thanks for any help!

    Ken
    'once I was young and foolish.... But now I'm older...'
    Green Mountain Alpacas

  2. #2
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Posts
    7,476
    Location
    Eastern NY
    Tractor
    Case 885, Ford 4000

    Default Re: Glow Plug Light on while running

    Replace the glowplug lamp timer relay immediately. Depending on your tractor model, when the indicator is lit, the plugs are energized. This will drastically shorten glowplug life.

  3. #3
    Gold Member CCWKen's Avatar
    Join Date
    Mar 2005
    Posts
    326
    Location
    South Texas, USA
    Tractor
    Ford 3910, JD 420C, Kubota G32XKS

    Default Re: Glow Plug Light on while running

    Rick is right. See this post for the full story.

    http://www.tractorbynet.com/forums/n...lug-timer.html

  4. #4
    Bronze Member KenVT's Avatar
    Join Date
    Mar 2005
    Posts
    79
    Location
    Vermont
    Tractor
    DX40 Case

    Default Re: Glow Plug Light on while running

    Thanks alot for the link and advice!

    Will do!

    Ken
    'once I was young and foolish.... But now I'm older...'
    Green Mountain Alpacas

  5. #5
    Elite Member
    Join Date
    Jul 2006
    Posts
    3,015
    Location
    midwest
    Tractor
    JD 4520, Toolcat 5610, Bobcat S300, Case-IH 125 Pro, Case-IH 245, IH 1086, IH 806

    Default Re: Glow Plug Light on while running

    Just fixed an issue with my glow plug lamp timer relay. My was working intermittantly. The relay is just behind the right rear cover that holds the key switch. Remove 2 bolts (13mm) in the front of the cover by the engine compartment and 2 bolts by the midline of the operators platform. Remove the cover and you will see it labels glow plug lamp timer. Held on by a small nut and lock washer. Next, getting the connector off was the most difficult part. Push the white connector tab down firmly and then pull apart the connection. The part is an NG relay with model and serial number. You might be able to get it at a parts store if you don't have a dealer nearby.
    I just had to clean the connections. Mine wouldn't work when cold but worked when the motor was warmed.

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