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Troubles with charging system on my H

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dave westlund

11-24-2004 18:07:49

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Yesterday I posted about my charging system not work. I figured I need to go back to ground zero. I recently purchase this tractor and the charging system did not work. I added a light switch since the old one was shot

I have an H with mag and voltage regulator for sure. I used Robert Melvilles wiring diagram and his trouble shooting chart. I did polarize the regulator.

1. when I turned the lights on, the ampmeter showed a discharge. 2.Ran ground wire from Positive side of battery (Ground side) to ground wire on voltage reg. with engine running. amp meter stayed in the neutral position ( not charging) 3. With engine running I put a jumper wire from bat terminal on Voltage regulator to gen terminal on regulator. Amp meter now shows a discharge. I removed the jumper wire the meter still showed a dicharge. ?? I then took off the cover on the regulator and seperated the points and the amp meter went back to center position. what does this mean?

I would again appreciate some help!
dave

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Dave (IL)

11-24-2004 21:42:58

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Re: Troubles with charging system on my H in reply to dave westlund, 11-24-2004 18:07:49

1. Do what gene suggested.
2. Verify the wiring. The only wire running away from the generator should be the bat terminal.
3. Verify that the field post on the generator goes only to the field post on the regulator.
4. If the field wire runs off towards the switch box, then you either don't have a regulator or someone put a generator with a regulator on a tractor wired for a cut out and you could very well have mixed up wiring. If it is, and you don't have the original 4 pos switch, then your field wire is likely never getting grounded.
5. If the wiring looks like anything other than original - DON'T TRUST NUTTIN' ! Trace out the wires and verify.

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gene b

11-24-2004 18:14:48

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Re: Troubles with charging system on my H in reply to dave westlund, 11-24-2004 18:07:49

Ground the field terminal on the gen and if it charges your reg is bad. If it dont charge that means the gen is bad. This test will work if the rest of the system is hooked correct.

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