Posted by pete 23 on September 04, 2012 at 20:22:11 from (74.32.238.2):
In Reply to: 986 digital tach posted by HossW on September 04, 2012 at 11:52:08:
If you have the digital dash with the knob for changing from rpm to mph then the power does indeed come from the pressure switch on engine. If you have the touch pad data center the power comes from two sources. One is keyed power at the cab relay and the other power is an inline fuse, always hot, down by the other fuses. That fuse gives a lot of intermittent trouble. The ground is at the cab mount area.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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