gauges on MF175

mechanic

Member
I am looking for some info on the gauges on the dash of my tractor? My manuals dont say one word about them. None of the gauges work and I would like to fix them all. Any suggestions?
 
Not sure what your question is, but you can go to "agcopartsbooks" on line, sign in as a guest and search for your tractor and look at a complete break down of every part on the tractor.
 
PTFarmer posted a nice diagram of the basic MF wiring in this thread: http://forums.yesterdaystractors.com/viewtopic.php?t=1196548

If no gauges are working, the most likely situation is that someone re-wired the tractor and didn't hook them up. It takes an exceptional problem to keep an amp gauge from working. There is sometimes a fuse in the circuit that may keep all but the Amp gauge from working. The fuse would be in a wire from the - terminal of the amp gauge.

Fuel gauge is another issue, as either the oil pressure switch (behind the oil gauge), the tank sender, or the gauge itself may be bad. You'll find it heaps easier to trouble shoot with an inexpensive multi-meter.
 
Hi
Some of those older masseys have a switch to
control the electrics connected in to the oil
pressure line that runs up to a mechanical
gauge. find the oil line where it comes up from
the block to the gauge. the switch has 2 wires
on and will open and let current through 1 wire
should be live when not running, other will
come live on start up if that switch works. if
you got that switch and it's not working right
none of the electrical gauges work.
 
(quoted from post at 09:14:52 02/19/15) What I am looking for is how they work and how to fix them.


Here is a electrical diagram of a 135 which shows how the electrical gauges work (amp, and fuel level) if your tractor is a diesel. On the 175 the tachometer, oil pressure, and water temp gauges should be all mechanical.

14t9ab7.jpg
 

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