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  1. #1
    New Member
    Join Date
    Apr 2007
    Posts
    4
    Location
    Florence Alabama
    Tractor
    YM 1700

    Default YM 1700 Temp Light

    Using a tip found on this web sight, I tried to check the temp light on my tractor. I tried to run the wire to ground but the light did not come on. To make sure that I am grounding the right device, the temperature sensor is located on the top of the engine block on the radiator side of the air filter, right?

  2. #2
    Platinum Member Eddie's Avatar
    Join Date
    Jul 2003
    Posts
    519
    Location
    North Alabama
    Tractor
    YM2020 & Allis Chalmers 6060

    Default Re: YM 1700 Temp Light

    Make sure your ignition switch is turned on.
    Eddie

    Words to live by
    "Never squat with your spurs on!!!"

    Yanmar YM2020, Great Bend FEL, 5' Bush Hog Finish Mower, 5' King Kutter Rotary Cutter, 5' King Kutter Tiller, 5' King Kutter LS Box, 5' 3PH Grader Blade. 4' Plugger Aerator, 12" 3PH Moldboard Plow, John Deere 455 Lawn Tractor, Ferris IS1000 Zero Turn Mower W/10' home made sprayer and ATV Fertilizer Spreader, Allis Chalmers 6060, 10' Howse Rotary Cutter.

  3. #3
    Veteran Member
    Join Date
    Apr 2002
    Posts
    2,086
    Location
    SW Ohio
    Tractor
    yanmar

    Default Re: YM 1700 Temp Light

    The sensor is on top of what would be a water pump housing if the 1700 had a pump. Key on...there has to be current in the wire.

  4. #4
    New Member
    Join Date
    Apr 2007
    Posts
    4
    Location
    Florence Alabama
    Tractor
    YM 1700

    Default Re: YM 1700 Temp Light

    I used a jumper and ran the wire to ground on the frame and the light did not come on. I did have the key turned on. Any more suggestions?
    Thank you.

  5. #5
    Platinum Member
    Join Date
    Jul 2003
    Posts
    614
    Location
    Thorsby Alabama

    Default Re: YM 1700 Temp Light

    Quote Originally Posted by HLP
    I used a jumper and ran the wire to ground on the frame and the light did not come on. I did have the key turned on. Any more suggestions?
    Thank you.
    Check fuse and then bulb.

    Danny

  6. #6
    Super Member California's Avatar
    Join Date
    Jan 2004
    Posts
    6,043
    Location
    Sonoma County
    Tractor
    Yanmar YM240, YM186D, and another YM186D

    Default Re: YM 1700 Temp Light

    Do the other lights work? There is a single 12 volt supply that feeds all three.

    If the temp light won't light when its sensor wire is grounded, then the sensor wire isn't continuous from the sensor to the bulb, the bulb is bad, or the bulb socket is bad.

    To test the bulb, swap it with the oil pressure bulb temporarily.

    There's a photo of the socket assembly I had to replace, in this old post. Maybe yours has similar damage:

    http://www.tractorbynet.com/forums/y...tml#post797615

  7. #7
    New Member
    Join Date
    Apr 2007
    Posts
    4
    Location
    Florence Alabama
    Tractor
    YM 1700

    Default Re: YM 1700 Temp Light

    1danny, I did not see a fuse just a terminal strip under the dash.

    California, I will remove teh assembly and check the bulb tomorrow.

    Anyone know what the bulb # is just in case it is bad? Can you get one at an auto parts store?

  8. #8
    Super Member kenmac's Avatar
    Join Date
    Feb 2005
    Posts
    6,128
    Location
    The Heart of Dixie
    Tractor
    yanmar 3110D

    Default Re: YM 1700 Temp Light

    I think this is correct. The wire going to the bulb should be hot when the switch is turned on. The other wire off the light goes to the temp. sensor. When the engine gets hot the sensor grounds out & makes a path to ground for the bulb through the wire.If you don't have a hot wire to the bulb, the light will not come on even if you direct ground the other wire

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