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Haymaker6060 
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Joined: 07 Nov 2024
Location: Rhode Island
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 Topic: 185 voltage regulator
Posted: 8 hours 19 minutes ago at 7:06am |
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I have a 185 allis I just put a new wire harness in the old plug for voltage regulator was never plugged into anything. Does anyone happen to know where the regulator is supposed to be mounted and if it is needed. Picture would be great thanks in advanced
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 83701
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Posted: 7 hours 49 minutes ago at 7:36am |
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does your tractor have an old generator... or a newer alternator ?
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Like them all, but love the "B"s.
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IBWD MIke
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Joined: 08 Apr 2012
Location: Newton Ia.
Points: 3870
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Posted: 7 hours 26 minutes ago at 7:59am |
It's under the black part of the hood for the steering column. Had trouble with mine some years back. I'll see if I can find a link to that thread.
Found it, may not be a big help though.
Edited by IBWD MIke - 7 hours 16 minutes ago at 8:09am
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Alvin M
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Joined: 24 Jun 2018
Location: PA
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Posted: 7 hours 14 minutes ago at 8:11am |
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If some body put the new type alternator on you don't need the regulator
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steve(ill)
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Location: illinois
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Posted: 6 hours 42 minutes ago at 8:43am |
should look like one of these... a generator uses the voltage regulator... and OLD ALTERNATOR can have a regulator also.. NEW alternators do not need a regulator, it is internal..... How was the tractor charging the battery before without the reg ?
generator
alternator
Edited by steve(ill) - 6 hours 39 minutes ago at 8:46am
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Like them all, but love the "B"s.
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Haymaker6060
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Location: Rhode Island
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Posted: 6 hours 21 minutes ago at 9:04am |
Yes has an alternator 
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Haymaker6060
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Posted: 6 hours 18 minutes ago at 9:07am |
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Not sure if that’s old style or new always charged fine before changing harness
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steve(ill)
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Location: illinois
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Posted: 6 hours 3 minutes ago at 9:22am |
that looks like a Delco with a tack drive ?? If it charged before WITHOUT the regulator, then i would assume it has an INTERNAL regualtor... You can look at the TWO PIN CONNECTOR and see if they are parallel to each other or IN LINE with each other.. But since it WAS WORKING.. i think you dont need the regulator wires, but need to make sure the TWO PIN CONNECTOR is part of the NEW HARNESS.
check the two wires on the small plug on the alternator... something was rewired at that point for the alternator... you need that on your new harness.
Edited by steve(ill) - 5 hours 56 minutes ago at 9:29am
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Like them all, but love the "B"s.
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DSeries4
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Joined: 12 Sep 2009
Location: Ontario, Canada
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Posted: 37 minutes ago at 2:48pm |
 steve(ill) wrote:
should look like one of these... a generator uses the voltage regulator... and OLD ALTERNATOR can have a regulator also.. NEW alternators do not need a regulator, it is internal..... How was the tractor charging the battery before without the reg ?
generator
alternator
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185s never had generators. All were alternator with voltage regulator from the factory. If it was charging before the wiring harness was changed, then one of the wires are not going where it is supposed to. When I bought my 190XT, one of the wires intended for the alternator was actually hooked up to the water temperature sensor! No wonder it didn't charge!
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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