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7060 alternator/tach, another ?

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Ben (MI) View Drop Down
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Joined: 02 Jun 2010
Location: SW Lower MI
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Topic: 7060 alternator/tach, another ?
    Posted: 19 Oct 2019 at 7:46pm
My 1980 7060 has always had the issue of when first started the tach didn't work and the alternator light stayed on until bumping the throttle up just above idle. This evening while moving wagons around the alternator light is on and no tach at any rpm. Anyone have any ideas? I am a fair mechanic at best and will get some help testing the alternator. Thanks.
Part time farming with a 1980 7060 and 1984 F3 hydro.
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exSW View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote exSW Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2019 at 8:20pm
Sounds exactly like what my 7010 did. Had the alternator rebuilt. Problem solved.
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klinemar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote klinemar Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2019 at 10:02pm
Yep your 7060 needs a refresh on the alternator. Just went through that with my 7060. Unless you want to pay the bucks for the original Niehof you will have to find a Delco. There is a Auto Electric repair shop in
Coldwater Mi named Thatcher's that can fix you up for around $100.
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MACK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2019 at 10:04pm
Most don't charge until they get some RPMS. Might as well buy a alternator.     MACk
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exSW View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote exSW Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2019 at 6:30am
I had $110.00in a complete rebuild.
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Ben (MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2019 at 10:02am
We discovered that the post was loose, I am ordering the Delco from Shoup, I can't wait for a rebuild, will take this one for rebuild as a spare if I don't have to send it to Shoup. It looks like the Shoup Delco has an adapter harness on it, can I just take it off and plug and play since I already have a Delco? Thanks for all the replies!

Edited by Ben (MI) - 20 Oct 2019 at 10:06am
Part time farming with a 1980 7060 and 1984 F3 hydro.
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klinemar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote klinemar Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2019 at 7:39pm
Ben, your alternator is a Delco 3 wire? If it is you can buy a direct replacement from Shoup.
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Ben (MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2019 at 8:32pm
The one I have is a Delco with 3 wires coming from the tractor in one connector and 2 wires on a post. I ordered the Shoup Delco type with the double pulley. It has an adapter for the Niehoff that I hopefully can just take off and plug and play. Thanks.
Part time farming with a 1980 7060 and 1984 F3 hydro.
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Ben (MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2019 at 9:32am
I have installed the new alternator from Shoup. When I start the tractor I have a working tach and the alternator light is off. After a few seconds the alternator light is on and the tach quits. What's going on here, please?
Part time farming with a 1980 7060 and 1984 F3 hydro.
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exSW View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote exSW Quote  Post ReplyReply Direct Link To This Post Posted: 25 Oct 2019 at 11:02am
Since that is literally backwards I'd say something is wired wrong
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LB0442 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LB0442 Quote  Post ReplyReply Direct Link To This Post Posted: 26 Oct 2019 at 11:55am
Probably loosing ign voltage to the stator, you can check that with a test light at the alt connector.  I believe the voltage comes for that unit comes off the circuit breaker on the key switch, they do get hot and go bad.  That breaker also runs the electric lift pump, could be a high draw there. 
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Ben (MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Posted: 30 Oct 2019 at 5:14am
Thanks LB, when I get one of my mechanical helpers available we will check it out.

As always, thanks to ALL you great folks and be safe.
Part time farming with a 1980 7060 and 1984 F3 hydro.
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Ben (MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Posted: 18 Jan 2020 at 5:09pm
We finally got to take a look at this, LB nailed it, a bad circuit breaker behind the dash. Thank you all.

Well, now I have a good spare alternator. Next time I will TEST the alternator before replacing it.

Edited by Ben (MI) - 18 Jan 2020 at 5:11pm
Part time farming with a 1980 7060 and 1984 F3 hydro.
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