Missing voltage regulator on my JD 450C

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bolt37
40C crawler
40C crawler
Posts: 17
Joined: Tue Aug 27, 2019 8:50 pm

Missing voltage regulator on my JD 450C

Post by bolt37 » Sat Sep 14, 2019 9:21 pm

Electrical phenomenon on my JD 450C

Ok, this is weird: I am working on fixing and repairing stuff on my new old JD 450C and I find the voltage regulator is completely disconnected! It is present, but not hooked up. In fact, a LOT of wiring is simply gone, switches not hooked to anything. I got a lot to do...

It runs like a scalded dog, so whatever is done seems to be okay for the moment.

Maybe a different alternator was installed and has a built-in voltage regulator module? That's all I can think of.

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gregjo1948
350 crawler
350 crawler
Posts: 1000
Joined: Mon Aug 30, 2010 5:58 am
Location: Newark Valley,NY,USA

Re: Missing voltage regulator on my JD 450C

Post by gregjo1948 » Sun Sep 15, 2019 2:29 am

Delco-Remy alternators can have an internal regulator.
JD 350B diesel 6way blade, Case 580B Loader/backhoe, Farmall 504 high crop w/ flail boom mower, International 404 , International 284 diesel w/belly mower, 1972 Ford F600 dump truck, Galion 3-5 roller, Allis Chalmers D17, 1620 Ford

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Stan Disbrow
350 crawler
350 crawler
Posts: 2894
Joined: Fri Jul 15, 2005 3:13 pm
Location: Raleigh, NC

Re: Missing voltage regulator on my JD 450C

Post by Stan Disbrow » Sun Sep 15, 2019 4:54 am

Hi,

Yes, it is quite common to install an alternator with integrated regulator when the old one with external regulator quits.

Stan
There's No Such Thing As A Cheap Crawler!

Useta Have: '58 JD 420c 5-roller w/62 inside blade
Useta Have: '78 JD350C w/6310 outside blade
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