440 IC gas generator part 2

General help and support for your Lindeman through 2010 John Deere crawler
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Jake Collie
MC crawler
MC crawler
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Joined: Tue Jul 22, 2025 7:19 pm

440 IC gas generator part 2

Post by Jake Collie » Mon Sep 08, 2025 3:53 pm

This is in addition to my below post...
I did a continuity check between my f terminal and generator case. I did have continuity, which my information tells me I have a type B generator. I also had continuity from the A terminal to case and between A and B. This doesn't agree with the information below. Does that mean my generator is messed up or? Was I supposed to remove the F wire before doing the tests? Sorry for all the questions but I don't want to mess anything up by jumping terminals with the crawler running.

Jim B
350 crawler
350 crawler
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Location: western Maine

Re: 440 IC gas generator part 2

Post by Jim B » Mon Sep 08, 2025 5:56 pm

Test it with the wires unhooked from the generator. The field contacts in the regulator ground the generator field to control generator output.

This old Delco bulletin may help you.

Delco Remy 1G-150 Bulletin

Jake Collie
MC crawler
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Re: 440 IC gas generator part 2

Post by Jake Collie » Mon Sep 08, 2025 6:43 pm

Thank You!

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reedgmi
430 crawler
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Location: SE Michigan

Re: 440 IC gas generator part 2

Post by reedgmi » Mon Sep 08, 2025 6:59 pm

I found this resource a while back - more info than you'll ever need!

https://www.delcoremyhistory.com/index.htm

https://www.delcoremyhistory.com/trainingmanuals.htm
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1963 (?) Deere 1010 Crawler-Dozer
1955 Ford 850
1973 MF40 Ind
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Jake Collie
MC crawler
MC crawler
Posts: 7
Joined: Tue Jul 22, 2025 7:19 pm

Re: 440 IC gas generator part 2

Post by Jake Collie » Mon Sep 08, 2025 7:06 pm

With the F and A wires disconnected from the generator I have 7 ohms between F stud and gen body, 3 ohms between A stud and generator body and 3 ohms between A stud and F stud. Would this indicate a problem with the generator?

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