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Discussion Topic:
Generator Problems on '51 Ford
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supereal |
10-09-2022 @ 10:30 AM
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Senior
Posts: 6819
Joined: Oct 2009
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We are in Iowa. We operate as a machine shop and general repair facility. My eldest son is the owner. At 67 he is an expert in diagnosing problems. We do appreciate the interest of hobbyists in addition to the steady flow of newer vehicles, and the variety of items that arrive at our door. Last week we rebuilt a dozen engines for a local marina. I am mostly retired now at the tender age of 87, but still can be found at the shop a few days a week.
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Mr51Ford |
10-07-2022 @ 5:18 PM
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Member
Posts: 11
Joined: Mar 2021
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Thanks. I'll share that information with my mechanic soon. What state is your shop in?
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supereal |
10-04-2022 @ 9:32 AM
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Senior
Posts: 6819
Joined: Oct 2009
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Before you blame the generator for low or no charge, check the voltage regulator for proper grounding. Many rely on a metal ferrule in one of the regulator mounts. They are inserted into one of the mounting holes, and often make poor contact due to paint or dirt between the fire wall and the ferrule, and/or the head of the mounting screw. At one time, each regulator had a ground clamp on the base of the unit, but disappeared in later vehicles. Run a jumper between one of the mounts and a good ground to see if this is a problem. At our shop we find poor or missing grounds produce many problems in older vehicles
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TomO |
09-24-2022 @ 11:46 AM
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Senior
Posts: 7256
Joined: Oct 2009
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See my reply in this post to determine if the problem is the generator or regulator https://www.earlyfordv8.org/forum/viewmessages.cfm?Forum=14&Topic=15701&keywords=not%20charging
Tom
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Mr51Ford |
09-24-2022 @ 10:22 AM
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Member
Posts: 11
Joined: Mar 2021
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Thanks. Allegedly the generator was polarized upstate after being rebuit, but it's not working. I'll share this information with my local mechanic. If my local shop follows your instructions, what do they have to do to the voltage regulator afterwards?
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carcrazy |
09-23-2022 @ 1:24 PM
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Senior
Posts: 1667
Joined: Oct 2009
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Is your generator putting out any voltage? Have you polarized the generator? If the generator has not been polarized, it will not be able to charge the battery. To polarize your internally grounded generator, disconnect the field wire from the regulator and momentarily flash this wire to the regulator battery terminal. Once you have done this, your newly rebuilt generator should be capable of charging the battery. Note that generators do not put out any voltage at idle speed, you must rev the engine to 1500 RPM or more to have the generator charge.
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Mr51Ford |
09-23-2022 @ 10:51 AM
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Member
Posts: 11
Joined: Mar 2021
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I wound up shipping my generator to North Star Auto Electric. After it was shipped back, my local mechanic put it back in, and the car won't hold a charge. My mechanic wants me to find out if there are any shops in Queens or Long Island that know how to rebuild a 51 Ford generator.
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Mr51Ford |
12-29-2021 @ 6:04 PM
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Member
Posts: 11
Joined: Mar 2021
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Thanks guys.
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FordFreak |
12-28-2021 @ 6:36 AM
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New Member
Posts: 116
Joined: Nov 2013
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I had my generator rebuilt @ : Northstar Auto Electric Inc. 105Main St. Macedon, NY 14502 315-986-4451
1937 Ford Coupe 1952 Ford F1 Pickup 1965 Falcon Sprint
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40 Coupe |
12-28-2021 @ 5:22 AM
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Senior
Posts: 1678
Joined: Oct 2009
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Also Buckeye Auto Electric in Painesville, OH 800-usa-5561 www.buckeyeautoelectric.com They rebuild for a couple of Model A aftermarket parts suppliers and own old cars. Talk to Joe the owner.
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