IH 420 charging

steve klump · Aug 15, 2008

I have a IH 420 and it does not charge, it had some bad wires and I repaired them. I have voltage at the BAT but no voltage at the Gen and Field terminal. I could use some help

Anonymous-0 · Aug 16, 2008

Assuming all componets are grounded just a simple test. First polorize the system momentary jumping from Batt term to the A on the gen. Now start the tractor and ground the F terminal on the gen. If that makes it charge its the regulator if it dont charge its the reg. The rest of the wiring has it been changed or messed with as you didnt say as this also causes problems.

steve klump · Aug 16, 2008

Thanks, I have no power to the regulator other than the bat. Also the amp light does not come on with the key is this right?

John T · Aug 16, 2008

Steve, your question is so wide open I will just post a URL Link to my complete Troubleshooting Procedure for non charging. It applies to Deere or IHC or any Class A system.

http://www.ytmag.com/cgi-bin/viewit.cgi?bd=farmall&th=665110

John T
John Ts Troubleshooting Procedure

IH 420 charging

steve klump

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Anonymous-0

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steve klump

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John T

Well-known Member

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