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  1. #41
    Bronze Member jedjoe's Avatar
    Join Date
    Oct 2004
    Posts
    95
    Location
    Warren, Connecticut
    Tractor
    new holland TC 35A 2004

    Default Re: TC33D wont start

    Okay, so I checked both cables for good conductivity, and finally just cleaned both the battery terminals and the lead connectors very thoroughly. Put the battery charger to the terminals and everything worked great. Final theory: Just a poor connection between cables and battery, resulting in a weakened connection and probably undercharging of the battery while running. Sherpa: thanks for having this problem one week before me, instead of one week after me! Jinman:

  2. #42
    Epic Contributor
    R.I.P.
    jinman's Avatar
    Join Date
    Feb 2001
    Posts
    21,014
    Location
    Texas - Wise County - Sunset
    Tractor
    NHTC45D, NH LB75B, Ford Jubilee

    Default Re: TC33D wont start

    Quote Originally Posted by jedjoe
    haven't looked at #2 fuse yet, but saw it yesterday. Is that the one under the instrument cluster in the 2nd slot from the left? If memory serves me, it was larger than the others with a metallic sheath (rather than the clear plastic). Is that the one you mean?
    Yes, that is the one. The fact that it looks different and has a metal sheath may be an indication that yours has a circuit breaker installed instead of the fuse. If so, that's a good thing. You won't have to replace the fuse, and the circuit breaker will automatically reset.
    Jim


  3. #43
    Bronze Member jedjoe's Avatar
    Join Date
    Oct 2004
    Posts
    95
    Location
    Warren, Connecticut
    Tractor
    new holland TC 35A 2004

    Default Re: TC33D wont start

    Thanks Jinman. As you can see by the previous post, all is now well!

  4. #44
    Gold Member sherpa's Avatar
    Join Date
    Oct 2004
    Posts
    457
    Location
    North Carolina Mountains
    Tractor
    NH TC33D & Ford 8N

    Default Re: TC33D wont start

    I also received a PM about a starting problem on a Case DX33.
    Is a Case DX33 the same as a New Holland TC33D?
    sherpa
    NH TC33D and Restored 1952 8N

  5. #45
    Platinum Member
    Join Date
    Sep 2003
    Posts
    535
    Location
    Brookeville, MD
    Tractor
    TC33D

    Default Re: TC33D wont start

    Yes, it's mostly the same. Can you give any details about the PM?

  6. #46
    Gold Member sherpa's Avatar
    Join Date
    Oct 2004
    Posts
    457
    Location
    North Carolina Mountains
    Tractor
    NH TC33D & Ford 8N

    Default Re: TC33D wont start

    Quote Originally Posted by SteveInMD
    Yes, it's mostly the same. Can you give any details about the PM?
    About the same problem as others have mention above.
    It will not start after shut off, but will start with a boost.
    He has already put in a fresh battery which didnt help.
    He mainly wanted to know how to test the starter.
    Sounds like cables again or bad connection to me.
    sherpa
    NH TC33D and Restored 1952 8N

  7. #47
    Platinum Member
    Join Date
    Sep 2003
    Posts
    535
    Location
    Brookeville, MD
    Tractor
    TC33D

    Default Re: TC33D wont start

    I believe many of our tractors suffer from a problem with the circuit that sends power from the key to the starter solenoid. The circuit has many safety interlock switches. It seems that as the tractor ages a dirt or corrosion at these switches creates a little resistance at each one. Eventually you end up with insufficient voltage at the starter solenoid to trigger it. You will first notice it after the tractor sits for a bit and the battery is not at 100% charge. A battery boost will increase the voltage enough to get it started. The lower voltage will increase the current draw on this circuit and can blow the fuse.

    There is an elusive service bulletin on the subject that I have yet to get a copy of. Basically the fix is to add another circuit that sends power directly to the solenoid. You just use a relay at the end of the safety interlock circuit that controls the new circuit. This fix does not eliminate any of the safety interlocks. It only takes a few volts and very little current to trigger the relay so the low voltage and current in that circuit no longer matter.

    I believe if you are having any starting problems you need to complete this fix before trying to diagnose the problem.

  8. #48

    Default Re: TC33D wont start

    I got the same problem on my TC33D

    My local New Holland dealer had no idea but I did find one that did.
    I talked to JIM at Simpson's Tractor in Richland Center, Wisconsin
    Simpson's Tractor
    1710 east Hwy 14
    Richland Center, Wisconsin 53581
    Simpson's Tractor Inc Online
    608-647-6343


    He had the parts on hand and drew me a schematic to do the wiring.

    The problems is just what you fiquired out 7-8 volts at the starter.

    1) New Holland relay Part # 86529089 (I25BX3)
    1) New Holland Connector # 245731C1(H15BX2)
    4) New Holland # 225077C1 Terminal F14BX3
    2) UA #AT030 Fuse Holder LI-(rack)
    2) UA HP3090 Fuse Holder (rack)
    6) Misc Crimp Ends

    Total cost is: $50.20

    I wired it my self. it took about 1 Hour.
    It's worth the call

  9. #49
    Platinum Member
    Join Date
    Sep 2003
    Posts
    535
    Location
    Brookeville, MD
    Tractor
    TC33D

    Default Re: TC33D wont start

    Yes - that's the correct fix. The circuit breaker option is a band-aid solution.

  10. #50
    Super Star Member
    Join Date
    Apr 2001
    Posts
    11,203
    Location
    PA
    Tractor
    NH TC25D

    Default Re: TC33D wont start

    Quote Originally Posted by Sunrise Acres View Post
    I got the same problem on my TC33D

    My local New Holland dealer had no idea but I did find one that did.
    I talked to JIM at Simpson's Tractor in Richland Center, Wisconsin
    Simpson's Tractor
    1710 east Hwy 14
    Richland Center, Wisconsin 53581
    Simpson's Tractor Inc Online
    608-647-6343


    He had the parts on hand and drew me a schematic to do the wiring.

    The problems is just what you fiquired out 7-8 volts at the starter.

    1) New Holland relay Part # 86529089 (I25BX3)
    1) New Holland Connector # 245731C1(H15BX2)
    4) New Holland # 225077C1 Terminal F14BX3
    2) UA #AT030 Fuse Holder LI-(rack)
    2) UA HP3090 Fuse Holder (rack)
    6) Misc Crimp Ends

    Total cost is: $50.20

    I wired it my self. it took about 1 Hour.
    It's worth the call
    I assume the dealer's schematic was the same as Steve's?

    Steve - Could you attached your diagram, then I will make this thread a Sticky.

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