IH 606 AMP Light

IAtractorKid · Feb 28, 2015

Hey guys! Making good progress on my IH 606! I have gone through the electrical to make sure everything is connected correctly. I have all the lights working, but am not sure about the charging system. The AMP light does not turn off while running. Battery tests 12.11 volts while running. I pulled the generator and had it tested, it tests good. My next thought is the voltage regulator, but I don't know how or if it can be tested. Any ideas or help would be appreciated. Thanks!

JAsher452x · Feb 28, 2015

check for continuity of the LT blue wire at your light to the gen terminal on your regulator. with it running you should have 12v at the LT blue wire at the light... but make sure you have it unhooked from the light to check. it also receives 12V on the black wire from the ignition.

Owen Aaland · Feb 28, 2015

At 12.11 volts when running the system is not charging. Fully charged a battery should have about 12.6 volts. You should see about 1 to 1 1/2 volts more when charging.

IAtractorKid · Mar 1, 2015

OK thanks. I'll check that when I can...if I don't
have 12 volts at the light through the light blue
wire, and the wire has continuity, does that mean
the voltage regulator is bad?

Does that also mean I could check the A post on the
generator for voltage while the tractor is running?
I had it tested but that doesn't always seem to mean
much. If that is possible, what kind of numbers
should I see there?

Thank you!!

JAsher452x · Mar 1, 2015

if you have continuity on the LT blue from the light to regulator and no voltage. check to see if you have continuity from the A terminal on the gen to the Lt blue wire on the light. if you do i would say that your regulator is bad.

notjustair · Mar 1, 2015

If you have had it apart have you polarized it?

IAtractorKid · Mar 1, 2015

Yes they polarized it before testing it.

notjustair · Mar 1, 2015

No, I mean after you put it back on the tractor. Any time the generator and regulator have been separated they need polarizing. If you know what it is you probably did it already.

If it is the regulator you should just prepare yourself for a headache. They are all junk now. If the reg is bad I would take the generator back to the shop and have THEM match it to a regulator. They can sort out the bad ones and get it working.

David G · Mar 1, 2015

That is not true, you can polarize the generator on the bench just fine.

IAtractorKid · Mar 1, 2015

I did not polarize on the tractor after having it tested. To do that, I touch a jumper wire from BAT terminal am on regulator, to A terminal on generator correct? Do I need to remove all other connections or do I leave everything connected while doing this? Its 12v negative ground if that matters.

Janicholson · Mar 1, 2015

Not a flame, just best info I have. The generator "polarization" is nor electrical, it is magnetic. The iron pole shoes inside the field windings are designed with the idea of retaining magnetism. This magnetism is "charged" into the iron by passing battery current through the field coils with a bypass. (for an "A" circuit Generator this is done most certainly by grounding the F terminal, and jumping from the Bat terminal to the Arm (or Gen terminal). This puts current through the field windings, magnetizing them.
They will stay magnetized for more than a year.
If the testing person hooked the system up using the wrong ground polarity, then it would be mandatory to repolarize the gen. If it was done correctly, positive ground for a positive ground tractor, and negative ground for a negative ground tractor it will not need polarization. Jim

rvirgil_KS · Mar 1, 2015

12 volts is applied to one side of the light, other side of light grounds through armature post and generator. When the generator goes to charge, there is 12 volts output from the armature. 12 volts is on both sides of light so it goes out.

Since the light glows your light blue wire should be ok.

If this is a type a generator system, with engine running ground the F terminal on generator. If light goes out the regulator side of the regulator and/or wiring is bad.

If light still glows, jumper from armature to BAT output on regulator. If light goes out the cutout side of regulator is bad.

If light continues to glow, you have bypassed the regulator so suspect generator or wiring problem.

Mark in Upstate · Mar 2, 2015

I would think the 12 volt battery would show more than 12.11 at rest. This says the system is not charging. The 450 12 volt when charging reads 12.7+- volts. That is a generator system also.

IH 606 AMP Light

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