Forum: Model A (1928-31)
04-24-2024, 08:16 AM
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Replies: 9
Views: 812
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Forum: Model A (1928-31)
04-13-2024, 08:43 AM
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Replies: 14
Views: 678
Re: generator output
Check voltage with a DMM at the battery terminals, it should be stable there. Maybe also at the starter post. Instability is caused by the ignition coil spikes. The DMM only samples voltage, at...
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Forum: Model A (1928-31)
03-31-2024, 09:59 AM
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Replies: 8
Views: 581
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Forum: Model A (1928-31)
03-29-2024, 08:41 AM
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Replies: 22
Views: 1,640
Re: Fuse blowing
https://fordbarn.com/forum/showthread.php?t=77696&showall=1
Tom Wesenberg (RIP) explains how these old cutouts can be refurbished in this thread.
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Forum: Model A (1928-31)
03-28-2024, 09:14 AM
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Replies: 22
Views: 1,640
Re: Fuse blowing
Cutout contacts are open until the gen spins up enough to exceed battery voltage. A bad one will show continuity between terminals.
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Forum: Model A (1928-31)
03-26-2024, 08:57 AM
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Replies: 12
Views: 712
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Forum: Model A (1928-31)
03-14-2024, 08:35 AM
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Replies: 14
Views: 899
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Forum: Model A (1928-31)
03-12-2024, 09:13 AM
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Replies: 24
Views: 990
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Forum: Model A (1928-31)
03-11-2024, 08:53 AM
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Replies: 24
Views: 990
Re: 1929 TwoLite headlamps w/ LED turn signals
The original use of the second bulb was as a parking lamp, with the absence of cowl lamps. If you have cowl lamps it's ok to use the second bulb for turn signals, although it makes more sense to use...
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Forum: Model A (1928-31)
03-08-2024, 09:33 AM
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Replies: 23
Views: 1,702
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Forum: Model A (1928-31)
03-06-2024, 09:23 AM
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Replies: 15
Views: 1,071
Re: Faulty Flasher
Another problem is that most TS switches come with 12V pilot bulbs. You may need to change out that bulb.
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Forum: Model A (1928-31)
02-28-2024, 09:15 AM
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Replies: 27
Views: 1,331
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Forum: Model A (1928-31)
02-28-2024, 09:08 AM
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Replies: 14
Views: 897
Re: Tail light Wiring
Switch plate on the repo harness is for the later switch. You need to find an early plate/puck and solder it in place of the new one.
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Forum: Model A (1928-31)
02-28-2024, 08:51 AM
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Replies: 27
Views: 1,331
Re: Blowing Starter Safety Fuse Help Please
ndnchf is correct. The battery closes the points and connects it to the generator (motor), which blows the fuse.
Question is, where did that generator case come from. Looks like you need to...
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Forum: Model A (1928-31)
02-22-2024, 09:17 AM
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Replies: 7
Views: 458
Re: Generator Wiring
That's a diode cutout - https://www.amazon.com/All-States-Universal-Generator-Cut-Out/dp/B01N1PZUB3
Connect the output to one side, other side toward battery. If it doesn't work, rotate it 180...
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Forum: Model A (1928-31)
02-17-2024, 09:28 AM
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Replies: 35
Views: 4,745
Re: Voltage regulator
The ammeter is a battery charge indicator. It doesn't tell you much about the generator except that it's working. 1-2 amps is a good steady charge for a healthy battery, after recovery from the...
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Forum: Model A (1928-31)
02-16-2024, 09:35 AM
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Replies: 35
Views: 4,745
Re: Voltage regulator
You describe a series regulator such as used in the internal Wesenberg type, which switches field current to limit output voltage. Regan's external shunt (parallel) regulator pulses excess power to...
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Forum: Model A (1928-31)
02-07-2024, 09:38 AM
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Replies: 18
Views: 989
Re: bad ammeter effect
Jumper won't remove the ammeter. It may be shorting to the tank. Jumper won't clear that.
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Forum: Model A (1928-31)
01-16-2024, 09:38 AM
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Replies: 10
Views: 1,000
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Forum: Model A (1928-31)
01-11-2024, 11:24 AM
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Replies: 4
Views: 554
Re: Headlights
I would keep it original. Reliable enough, and think of The Next Guy. There's enough to confuse him with.
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Forum: Model A (1928-31)
01-05-2024, 10:57 AM
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Replies: 5
Views: 649
Re: ' 31 Head Lights
Gary, everything stated there is true, except Ford never authorized 50 CP bulbs as it strains the limit of the generator.
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Forum: Model A (1928-31)
12-29-2023, 10:38 AM
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Replies: 10
Views: 1,148
Re: 20-0-20 amp meter
A regulated alternator won't push more than a couple amps into the battery under normal running conditions. It's the discharge from the battery in the other direction due to overload that could hurt...
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Forum: Model A (1928-31)
12-27-2023, 10:30 AM
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Replies: 19
Views: 1,360
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Forum: Model A (1928-31)
12-26-2023, 09:26 AM
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Replies: 9
Views: 955
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Forum: Model A (1928-31)
12-25-2023, 09:49 AM
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Replies: 6
Views: 780
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