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6060 tach/alt
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murdoc View Drop Down
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Joined: 25 Mar 2011
Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Topic: 6060 tach/alt
    Posted: 28 Jan 2019 at 9:39am
Ok guys my tachs not working I know it’s signal comes from the alternator the alternator has been repaired with a 1 wire alt so I know its gotta be replaced with another the wires are there I think can somebody send me a picture of there’s on a 6060 so I can see the wires the book I have isn’t very good and by chance a part number for the correct alternator maybe Napa will have on thanks in advance

Matt
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Alvin M View Drop Down
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Joined: 24 Jun 2018
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Points: 792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alvin M Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 10:48am
delco 10si 1105423 agco # 70270085 give napa 1105423 they can cross over to there # it should plug in to the side if your plug is still there big wire goes under nut
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murdoc View Drop Down
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 10:55am
He cut the plug off I just have wires hanging lol just have the big wire hooked up
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Alvin M View Drop Down
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Points: 792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alvin M Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 12:35pm
operators manual has wiring diagram in it I don't have them any more sold the business they went with if you have a tester I can tell how to hook up the wires PM me your phone # I can till you wire to put the wires
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murdoc View Drop Down
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 3:04pm
I’ll look this afternoon and see all what I got and let you know
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allis6080 View Drop Down
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Joined: 19 Jan 2011
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Points: 334 		Post Options Post Options   Thanks (0) Thanks(0)   Quote allis6080 Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 3:26pm
The plug in makes an L shape. Top of the L (closest to big orange wire)light green black stripe. Next wire down would be light green. The one closest to pulley would be brown. Brown wire goes to the tach.hope this helps.

Edited by allis6080 - 28 Jan 2019 at 3:27pm
6060 s\n 5016

1947 JD B
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LB0442 View Drop Down
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Points: 767 		Post Options Post Options   Thanks (0) Thanks(0)   Quote LB0442 Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 8:41pm
Pictures are always good.  This was on the 6080 when I bought it.  Tach works great.
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MACK View Drop Down
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Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2019 at 9:22pm
Take the alt. you have apart, run a wire through the back and hook to one of the three terminals of stater. The other end connect to brown wire.    MACK
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murdoc View Drop Down
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 7:11am
Ok thanks for all the help guys I went and look last night after work this is what I found

The wrong alternator there no place for a plug at all the wires are still there I think I no I seen a green one it was dark they just cut the plug off so I ordered a alt now just gotta find a plug and I’ll wire it in and put the new alt on and see what happens
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Gerald J. View Drop Down
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Points: 5636 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 9:33am
The tach that runs off a single wire from the alternator is using the alternating frequency inherent in the alternator. That makes the tach calibration dependent on the number of poles in the alternator stator (and there is no industry standard for that count) and the pulley size giving a ratio from the engine crankshaft. Alternators generally spin faster than the engine, that's what makes them charge well at engine idle speed.

For the tach to work properly the alternator needs to be the factory original, any universal replacement is unlikely to have the same parameters as the factory original, but its not absolute that some universal replacement won't work correctly.

Gerald J.
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Alvin M View Drop Down
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Points: 792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alvin M Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 9:54am
any Delco alternator 3 post will work must use the right pulley
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 10:55am
What size pulls are you guys using
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Alvin M View Drop Down
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Points: 792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Alvin M Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 12:32pm
AGCO # 70262155 it is a 2 grove 3 1/2 od for 1/2 in belt flat on alternator side i get mine from my repair shop
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Points: 767 		Post Options Post Options   Thanks (0) Thanks(0)   Quote LB0442 Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 8:42pm
I just measured the one in the picture and it is a 3 1/4 pulley.  Tach is pretty accurate with that.  I checked it with a photo tach.
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murdoc View Drop Down
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2019 at 9:35pm
Ok thanks I looked at my wires I’ve got everything there just the plug is cut off new alt will be here I’m a few days and will see what happens
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murdoc View Drop Down
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Points: 32 		Post Options Post Options   Thanks (0) Thanks(0)   Quote murdoc Quote  Post ReplyReply Direct Link To This Post Posted: 14 Feb 2019 at 7:45am
Hey guys sorry I haven’t updated been busy

Hooked up the new alternator and the tachs working like it should now so thanks for all the help now on to the next part of the project on it
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