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8070 Tach Problems
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ScottinSWIL View Drop Down
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Joined: 30 Oct 2009
Location: Randolph Co. IL
Points: 118 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ScottinSWIL Quote  Post ReplyReply Direct Link To This Post Topic: 8070 Tach Problems
    Posted: 13 Sep 2012 at 1:16am
  The tach on my 8070 has been a little suspect the last year or two now as far as working sometimes and at other times it will just quit.  When the tach is showing rpm's the hr meter will always work also.  There will always be a noticable wiggle of the needle when you turn on the key, but then more times then not now it will not work.  I am ready to install a new tach this winter. but was just going to check here first if the symptoms I describe could be possibly something else.  Thanks
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MI8050 View Drop Down
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Joined: 08 Oct 2009
Location: West Central MI
Points: 226 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MI8050 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2012 at 4:45am
This is common, seem to recall guys saying it is the sender, not the tach.  Mine acted up for quite awhile just like that, it has been good all this year though, go figure.
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Henry se/k! View Drop Down
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Joined: 08 Mar 2010
Location: Kincaid Kansas
Points: 403 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Henry se/k! Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2012 at 7:00am
If you need a new tac, jerry at 785 448 3968 has a nos that he would sell at a discount. I found this out after I got one fron the holdup artist agco!
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Dave in il View Drop Down
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Joined: 22 Sep 2009
Location: Manville Il
Points: 1748 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave in il Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2012 at 7:18am
There was a post last year about an aftermarket sending unit but I can't find it. If someone could repost that I'd appreciate it as my tach is doing the same thing.
AGCO My Allis Gleaner Company
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Brad in WA View Drop Down
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Joined: 29 Sep 2009
Location: Lynden,WA
Points: 199 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brad in WA Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2012 at 3:46pm
The aftermarket sender is an Isspro R8932. It's available from Instrument Sales and Service for $50.89. 800-333-7976
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DougG View Drop Down
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Joined: 20 Sep 2009
Location: Mo
Points: 8354 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Posted: 13 Sep 2012 at 5:50pm
Is there a way to test if its the tach or sender ??
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