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1460 Delco Alternator Question
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chrisk1500
Posted 9/17/2011 21:12 (#1966725)
Subject: 1460 Delco Alternator Question


Saskatchewan
My alternator let go on one of my 1460's today.

It is a Delco alternator that has a 3 spade plug along with the power lead stud.

When I unplugged the alternator, it looked like a previous owner had bent the 'R' spade into the casing so that it wouldn't be connected when the 3 place connector was plugged in. However, I might have been the one that bent it when I took the connection apart.

I would like to get an alternator tomorrow (Sunday) so my only options are big box auto parts stores.

Can I get away with a regular Delco SI 10 with the two spade terminals, or do I need the 'R' terminal equipped alternator?

Thanks!
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chrisk1500
Posted 9/17/2011 21:15 (#1966728 - in reply to #1966725)
Subject: Re: 1460 Delco Alternator Question


Saskatchewan
Also - if I need the one with three spade connections, does anyone know an application that I can give the parts guy - we all know that they won't have a clue what I'm talking about and won't dig out an alternator unless I give them a vehicle application...
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olwhda
Posted 9/17/2011 21:30 (#1966754 - in reply to #1966728)
Subject: Re: 1460 Delco Alternator Question


North Central MO I-35 area
Sounds like the same type alternator used on my 9150 and 9190 Deutz-Allis tractors if that might help, hope so.
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Jon Hagen
Posted 9/17/2011 22:04 (#1966812 - in reply to #1966754)
Subject: Re: 1460 Delco Alternator Question



Hagen Brothers farms,Goodrich ND
You only need the two terminal alternator for a 14 series AF combine one with terminals 1 and 2. The third "R" terminal is for machines that use an electric tach triggered by the alternator. A 1460 tach reads rpm off the flywheel.

Ask for a mid 70's - mid 80's Chevy alternator from a machine with AC . 61 or 72 amp is good.

You might consider adding my clean air duct, it makes a huge difference in the life of a 10-12SI alternator on a combine.
http://talk.newagtalk.com/forums/thread-view.asp?tid=256130&mid=196...

Edited by Jon Hagen 9/17/2011 22:06
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chrisk1500
Posted 9/17/2011 22:06 (#1966819 - in reply to #1966725)
Subject: Re: 1460 Delco Alternator Question


Saskatchewan
Awesome...Thanks!

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chrisk1500
Posted 9/17/2011 22:14 (#1966838 - in reply to #1966725)
Subject: Re: 1460 Delco Alternator Question


Saskatchewan
Afterthought - if my combine only requires two wires, how come it currently has three wires going to the plug? Where is that third wire going (the one that goes to 'R')?
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Jon Hagen
Posted 9/17/2011 22:21 (#1966847 - in reply to #1966838)
Subject: Re: 1460 Delco Alternator Question



Hagen Brothers farms,Goodrich ND
chrisk1500 - 9/18/2011 21:14

Afterthought - if my combine only requires two wires, how come it currently has three wires going to the plug? Where is that third wire going (the one that goes to 'R')?






Good question, I was about to edit my post, as I realised you said it has the three wire plug.. If you have a factory 3 wire plug, you likely have an alt light relay.

They wired them different ways depending on which alternator was installed.
The ones with a 3 wire plug have an alt light relay.
The ones with a two wire plug have a jumper wire in place of the alt light relay.
As far as I know, the Delco 3 terminal alternators were used only in industrial, marine and AG applications, no automotive apps that I know of.

Edited by Jon Hagen 9/18/2011 23:45
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mmaddox
Posted 9/17/2011 22:25 (#1966851 - in reply to #1966847)
Subject: Re: 1460 Delco Alternator Question


Some of the early diesels in automotive vehicles used the R terminal. Pretty much any ag tractor that did not use a tach drive, or electronic pick-up, will use the third terminal. I know some of the Deere and AC engines used them.
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Cliff SEIA
Posted 9/17/2011 23:35 (#1966968 - in reply to #1966725)
Subject: RE: 1460 Delco Alternator Question


If you can I would suggest getting a 105 amp version, on our IH tractors going from a 72 amp to a 105 amp version has made a drastic improvement in alternator life.  I've been getting our's from Shoup, they are China knock off's but they are outlasting the Case IH remans by quite a bit and are fairly cheap plus since they are new there is no core charge so I just keep a spare on the shelf just in case.

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hinfarm
Posted 9/18/2011 09:57 (#1967269 - in reply to #1966968)
Subject: RE: 1460 Delco Alternator Question



Amherst WI
X2 on what Cliff said. They also have the trash gaurd thing on it. I have had as much luck with CIH reman alternators as I have had with their batteries. JUNK!
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Oilfarmer
Posted 9/18/2011 09:57 (#1967273 - in reply to #1966847)
Subject: Re: 1460 Delco Alternator Question


Ravenna Ohio
Cut off wires put in 2 wire plug. Put tape over alt light. been that way for years.
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chief1403
Posted 9/18/2011 10:09 (#1967300 - in reply to #1966725)
Subject: RE: 1460 Delco Alternator Question


s.e.mn.
To get you going, buy a alt from a 78 chevy 2500 , pull the 4 screws and take the back off , take one apart too and swap new parts into old case and move old 3rd lug to new alt, lock brushes back with a small wire ( easier when out) then slide it together makeing sure to " clock" where you want it , put in 4 screws , remove wire and there you go

It may save you some money if they have a rebuild kit , take yours apart and check where beushes ride , normally the regulator or the brushes go bad
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Jon Hagen
Posted 9/18/2011 10:42 (#1967375 - in reply to #1967273)
Subject: Re: 1460 Delco Alternator Question



Hagen Brothers farms,Goodrich ND
Oilfarmer - 9/19/2011 08:57

Cut off wires put in 2 wire plug. Put tape over alt light. been that way for years.




Or replace the plug in alt relay with a short jumper wire with two male spade terminals crimped on, tape up the #1 wire in the harness and replace it with the "R" wire connected to the #1 alt plug terminal.
Then the alt light and beeper will work as intended with the cheaper and more avalible automotive two wire alt plug type alternator.
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chrisk1500
Posted 9/18/2011 12:46 (#1967558 - in reply to #1966725)
Subject: Re: 1460 Delco Alternator Question


Saskatchewan
Any pics of that alternator relay so I know what I'm looking for?
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dzluvr
Posted 9/18/2011 20:59 (#1968203 - in reply to #1967558)
Subject: Re: 1460 Delco Alternator Question


the best alternator is a delco from nineties cadillac any time an alternator dies around here that is the one i put on have put them on several machines and so far is a bolt in swap ie jd 8970 ihc 5088 nh tr97 local rebuilder says they are the best alternator made i buy them for 25 dollars at the wreckers best part is aside from the main cable just one other wire,,,,, to key they are 120 amp so do not put one on if the wiring cannot handle the current for lighter applications i buy the 70 ampo delco two wire reman at fleet farm in fargo for 29 bucks bought several of them at that price was there last week and they were sold out so guess others are catching on
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Jon Hagen
Posted 9/18/2011 22:44 (#1968510 - in reply to #1967558)
Subject: Re: 1460 Delco Alternator Question (PIC)



Hagen Brothers farms,Goodrich ND
chrisk1500 - 9/19/2011 11:46

Any pics of that alternator relay so I know what I'm looking for?





No pics, but it is a small horn relay type metal case thing in a 3 terminal plug at the lower rear of the right console( remove the outer panel to access the thing). One terminal goes to ground, one goes to the "alternator "R "wire, the other goes to the Alt light / beeper wiring. Jumper the R plug terminal to the light / beeper plug terminal.

It,s been about 5 years since I rewired one, so I don't remember which two terminals by position to jumper.

I believe the relay terminals are positioned like this -_-. If I can figure out the two that needed to be jumpered from the shop manual, I will post the results.

EDIT, Jumper the alt R wire (46 tan) terminal in the relay plug to the warning light / beeper wire (19 LT green / red) using a short wire with two male spade terminals crimped on. Make sure to remove and tape up the #1 wire from the wiring harness at the alternator and connect the "R" wire to the #1 alt terminal in the alternator plug. Everything will now work with an automotive type, two regulator plug alternator. Make sure the #2 wire is connected at the alternator, as it is necessary for the voltage regulator to sense system voltage.

Edited by Jon Hagen 9/18/2011 23:30




(Alt light relay rewire..jpg)



Attachments
----------------
Attachments Alt light relay rewire..jpg (44KB - 48 downloads)
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