Electric Tach problems - 7045

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   The tach had been working just fine on my 7045, but we split the tractor to overhaul the engine and put new plates in the PowerDirector.  Now, that everything is back together, the tach doesnt work.  I was checking connections in the wiring with my dad in the cab watching the needle.  I accidentally shorted a wire to the ground, and the tach worked, but only when the wire was shorted.  I know I dont want to run it like that, so what does that tell me I need to do to fix it?  Thanks in advance.  

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Adam Stratton Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 11 Sep 2009 Location: SW MO Points: 1363	Post Options Post Reply Quote Adam Stratton Report Post Thanks(0) Quote Reply Topic: Electric Tach problems - 7045 Posted: 04 Apr 2010 at 8:15pm
	The tach had been working just fine on my 7045, but we split the tractor to overhaul the engine and put new plates in the PowerDirector. Now, that everything is back together, the tach doesnt work. I was checking connections in the wiring with my dad in the cab watching the needle. I accidentally shorted a wire to the ground, and the tach worked, but only when the wire was shorted. I know I dont want to run it like that, so what does that tell me I need to do to fix it? Thanks in advance.

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monitordoc Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 15 Feb 2010 Location: Minnesota Points: 187	Post Options Post Reply Quote monitordoc Report Post Thanks(0) Quote Reply Posted: 04 Apr 2010 at 9:30pm
	ONE OF THE TREE WIRES ON THE TACH IS GROUND. TERMINALS ARE MARKED .
	WD,D17-S4,180,D21