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  1. #1
    New Member
    Join Date
    Mar 2013
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    4
    Location
    Magazine, AR
    Tractor
    Farm Pro 2420

    Default Gauges Won't Work Farm Pro 2420

    I sure could use some help, I have an older model Farm Pro 2420. Runs great, starts good, but here is the problem. No gauges work, replaced all fuses, checked all wires. Everything looks good. Now here is the unusual part. While running if you turn the key to the start position all the gauges work. I replaced the ignition switch a new one. Same problem. I am lost. Any ideas would help.

  2. #2
    Silver Member
    Join Date
    Jul 2004
    Posts
    135
    Location
    Lady Lake, Fl.
    Tractor
    Jinma 284

    Default Re: Gauges Won't Work Farm Pro 2420

    When running and you turn the key to the start position does the starter grind? Are you sure you are not turning the key to the on position?

  3. #3
    New Member
    Join Date
    Mar 2013
    Posts
    4
    Location
    Magazine, AR
    Tractor
    Farm Pro 2420

    Default Re: Gauges Won't Work Farm Pro 2420

    The starter is not grinding(which I found unusual), but when the key is in the on position gauges do not work, they won't even work in the pre-heat position, only start position.

  4. #4
    Veteran Member Bob Rooks's Avatar
    Join Date
    Feb 2007
    Posts
    2,249
    Location
    Bothell & Silverdale, WA
    Tractor
    Yuchai Bulldozer

    Default Re: Gauges Won't Work Farm Pro 2420

    Check all of your ground connections. It sounds like your instruments are grounding out (completing the circuit) through the starter solenoid windings. You found that out by turning the key switch to the start position while the engine was running? Wow!
    Yuchai YCT dozer, Mustang 2040 skid steer, Mitsubishi MS035 Mini-Ex, Trimble equipped 7' Dual Dozer, and a LiTW BH7600 back hoe for sale.

  5. #5
    New Member
    Join Date
    Mar 2013
    Posts
    4
    Location
    Magazine, AR
    Tractor
    Farm Pro 2420

    Default Re: Gauges Won't Work Farm Pro 2420

    Could it possibly be the horn relay? That is the only thing that does not work, with the key in the start position. Lights and turn signals work but only when the key is in the start position. Then horn relay is the only thing at the fuse box that I have not replaced.

  6. #6
    Silver Member erj's Avatar
    Join Date
    Mar 2008
    Posts
    197
    Location
    Buckley, WA

    Default Re: Gauges Won't Work Farm Pro 2420

    Have your gauges ever worked? With the old key switch?
    RonJ
    2006 Jinma 284, Coldwater FEL, JW03 Backhoe, 5' Box Blade

  7. #7
    Advertiser
    Platinum Member

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    Mar 2004
    Posts
    1,319
    Location
    Texas

    Default Re: Gauges Won't Work Farm Pro 2420

    Sounds like one of the wires is on the wrong lug on the soleniod or your key switch is not wired correctly ? Do you have a tester ?

    Tommy
    Affordable Tractor Sales
    "Your Jinma Parts Superstore"
    Home of compact Jinma, Foton, and Koyker Tractors and Parts, Wood Chippers, Backhoes - Affordable Tractor Sales Company

  8. #8
    Super Member greg_g's Avatar
    Join Date
    Dec 2003
    Posts
    6,028
    Location
    Western Kentucky
    Tractor
    JD3720 Cab, 300X loader with 4-in-1 bucket

    Default Re: Gauges Won't Work Farm Pro 2420

    I agree with Tommy. The previous owner may have installed the wrong keyswitch. Remove it temporarily and tell us how many posts or connections are on the back of the keyswitch, and how many wires are connected.

    //greg//
    USN (Ret)
    Former Chinese tractor owner (x4)
    Current John Deere owner

  9. #9
    New Member
    Join Date
    Mar 2013
    Posts
    4
    Location
    Magazine, AR
    Tractor
    Farm Pro 2420

    Default Re: Gauges Won't Work Farm Pro 2420

    Thanks for all the help. You were right the gauges haven't worked since we had a new clutch installed. They had trouble getting the tractor started after installing the clutch, they used some southern technology(redneck thinking) to get it going. With your help I got my wires un-crossed. These post have been a great help with many of the smaller issues that I have had thank you again.

  10. #10
    Veteran Member Bob Rooks's Avatar
    Join Date
    Feb 2007
    Posts
    2,249
    Location
    Bothell & Silverdale, WA
    Tractor
    Yuchai Bulldozer

    Default Re: Gauges Won't Work Farm Pro 2420

    Quote Originally Posted by crappiequeen View Post
    You were right the gauges haven't worked since we had a new clutch installed. They had trouble getting the tractor started after installing the clutch,,,
    My mind reading skills aren't what they used to be lately so it would have been very helpful to everyone to have known that up front.
    Yuchai YCT dozer, Mustang 2040 skid steer, Mitsubishi MS035 Mini-Ex, Trimble equipped 7' Dual Dozer, and a LiTW BH7600 back hoe for sale.

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