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  1. #1

    Default Glow Plug Problem

    I have a 4 year old TC29D New Holland.The glow plug lite comes on after it's been running for a few minutes and flickers and sometimes stays on solid.Does anybody have any pictures of the glow plug and the timer relay and where exactly are they located on this tractor. Thanks for any help that's offered.Also,will it hurt anything to run it this way?
    Thanks,Steve

  2. #2
    Super Member
    Join Date
    Oct 2003
    Posts
    7,344
    Location
    Northeast, Ohio
    Tractor
    TC-40D SS New Holland

    Default Re: Glow Plug Problem

    Steve our 40D had the same symptom until we replaced the timer. In our case the lower cowling needed to be removed to access the timer. It's about the size of a Zippo lighter.

    I personally unplugged the defective timer until a replacement could be found. Didn't want to chance burning up a glow-plug

    WELCOME to TBN


  3. #3
    Silver Member thclimer's Avatar
    Join Date
    Sep 2002
    Posts
    182
    Location
    North East NY
    Tractor
    TC33D

    Default Re: Glow Plug Problem

    I copied these pictures from a post, which Maxfior made on (9-6-07). His tractor was a TC34DA, mine is a TC33D and the locations are very similar. The timer is located on the far right side, it has the blue colored label and white connector which plugs into it's side near the top. I don't specifically remember which one of the relays to the left of the timer was associated with the glow plugs. Hope this starts to point you in the right direction.
    Attached Images Attached Images

  4. #4
    Elite Member JC-jetro's Avatar
    Join Date
    Jul 2006
    Posts
    3,125
    Location
    Kansas
    Tractor
    Ford 1700, Kubota MX-4700

    Default Re: Glow Plug Problem

    Quote Originally Posted by scanode
    I have a 4 year old TC29D New Holland.The glow plug lite comes on after it's been running for a few minutes and flickers and sometimes stays on solid.Does anybody have any pictures of the glow plug and the timer relay and where exactly are they located on this tractor. Thanks for any help that's offered.Also,will it hurt anything to run it this way?
    Thanks,Steve

    Picture of glow plug and where it is screwed to my Ford-1700. I have no timer in the circuit. As long as I keep the switch 30 degrees CCW on start starter switch it'll glow and small wire (indicator) continues glowing red.







    JC,
    Ford 1700, 2wd.
    Kubota MX-4700DT, Gear transmission with LA 884 loader, Q/A and HD bucket.
    60" Woods Rotary Cutter, home made (3-pt boom and a Row Hipper) ,King Kutter( 5 ft Tiller,Middle Buster,Single Row Cultivator,Carry-all, 5 ft blade, 6 ft Landscaping Rake ,30" Dirt Scoop and a 4'x4' Drag Harrow)

  5. #5

    Default Re: Glow Plug Problem

    Yesterday I replaced the glow plug timer relay and that took care of my problem with the glow plug lite coming on and staying on. Thanks to all for the helpful info and pictures.This is a great web site.

  6. #6
    Silver Member thclimer's Avatar
    Join Date
    Sep 2002
    Posts
    182
    Location
    North East NY
    Tractor
    TC33D

    Default Re: Glow Plug Problem

    I'm glad you fixed your problem!

    Did the new timer have the gold colored label rather than the blue one?

    I agree this is a very helpful site.

  7. #7

    Default Re: Glow Plug Problem

    The label on the new one was the same as the old one,blue.It was an identical part.The label on the relay says lamptimer DC12V. Thanks again everybody!

  8. #8
    Silver Member
    Join Date
    May 2004
    Posts
    239
    Location
    SW Indiana

    Default Re: Glow Plug Problem

    Sounds like I have the same trouble as Scanode. How much should I expect to pay for the timer? I'm pretty disappointed at some of the quality on my TC40D. 3.5 years old and 280 hours already had the thermostat fail, the tilt steering (I made my own manual version because I refused to pay $200 for a gas shock that was a poor design in the first place.) and now the glow plug timer. Has anyone made a manual switch for the glow plugs? I wouldn't mind holding a button down for 30 seconds if it meant eliminating the complex and unreliable timer.
    TC 40D 17LA loader

  9. #9
    Silver Member thclimer's Avatar
    Join Date
    Sep 2002
    Posts
    182
    Location
    North East NY
    Tractor
    TC33D

    Default Re: Glow Plug Problem

    I paid $52.00 for my glow Plug timer (Part Number SBA385870301). I was tempted to replace the timer with a switch myself, but in the end decided to purchase the timer just to keep things original.

  10. #10
    New Member
    Join Date
    Nov 2007
    Posts
    18
    Location
    North Bay, ON
    Tractor
    NH TC45D

    Default Re: Glow Plug Problem

    Had the same problem with my 2002 TC45D. Seems to be a pretty common problem.

    Pretty easy fix... about 30 minutes and I had the old timer out, new one replaced and cowls back in place.....

    Jeff

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