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jeickman01 
Silver Level
Joined: 24 Feb 2017
Location: Dyer, TN
Points: 210
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 Topic: water temp gauge 101
Posted: 15 Jul 2022 at 4:52pm |
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So I have removed the instrument cluster on my D17 III and replaced all the gauges. Guess I didn't do a good enough job of photographing the all the back side wiring connections. Temp gauge is not reading. Is there a hot lead that needs to be connected to one of the terminals? Don't see this in any wiring diagram in the I & T manual.
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DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 22307
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Posted: 15 Jul 2022 at 5:06pm |
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You won't find the wiring diagram showing the temp gauge because it isn't electric. All D-17 tractors used a mechanical gauge with a mercury filled bulb.
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DSeries4
Orange Level
Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7569
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Posted: 15 Jul 2022 at 9:07pm |
 DrAllis wrote:
You won't find the wiring diagram showing the temp gauge because it isn't electric. All D-17 tractors used a mechanical gauge with a mercury filled bulb. |
x2!
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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jeickman01
Silver Level
Joined: 24 Feb 2017
Location: Dyer, TN
Points: 210
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Posted: 16 Jul 2022 at 9:14am |
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Thanks for quick help on this. When I cut the lead on the old one i thought it was copper wire but I now see that it is a capillary tube. I don't think that I kinked this on the new one and I know that the bulb on the new one is in contact with the coolant so I must have a bad gauge right out of the box. Wanted to use a repro with the Allis Chalmers labeling but may have to resort to a higher quality aftermarket.
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AC720Man
Orange Level
Joined: 10 Oct 2016
Location: Shenandoah, Va
Points: 5316
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Posted: 17 Jul 2022 at 2:02pm |
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AGCO gauge isn’t that much more expensive and it’s a good quality gauge. Most aftermarket gauges don’t always look original and there is nothing worse than a gauge that not only reads incorrectly but also looks incorrect. My D17 I recently purchased has a auto temperature gauge and I can’t wait to get rid of it for both of those reasons. New AGCO gauge is ready waiting to be installed after a paint job.
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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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