Allstate voltage regulator

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guam2250

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Does anyone know if a
Sears Adjustable Voltage Regulator No. 1431

is 6 or 12 volt? If 12 volt, and used in a 6 volt system, is that a problem? Thanks
 
guam2250 said:
Does anyone know if a
Sears Adjustable Voltage Regulator No. 1431

is 6 or 12 volt? If 12 volt, and used in a 6 volt system, is that a problem? Thanks
Click to expand...
img_3829b-jpg.3360818
 
That is a six volt GM regulator, I recognize the mounting . Had on on my 46 chev pickup. The Idea was you would be driving slower and using all your electrics in the winter and need a bit more cold start power. I summer mode just the opposite. Did it make a difference ? I don't know, I never turned the knob. Tim
 
Hello. Appreciate the "helpful", non snarky response. Tinkering with my stock Model A charging system using a '57 Ford, 2 brush generator(didn't want to go the alternator route), and hid a typical voltage regulator up, under the gas tank. While it is unseen, it is also hard to get to. This Allstate, with the external knob, would make adjustment easy. Sounds like you are pretty confident on the 6 voltage. Also, would it have been positive ground? Thanks
 
Be careful, Ford generators and GM generators are wired differently. On the fords the field needs to be energised, on a GM it needs to be grounded. If your generator was a 57 it would be 12v so this device wouldn't probably work anyway.
 
When did Ford go to 2 brush generators? I may have the year wrong, but it is a 6 volt, positive ground. I have used it for many years with no issues. Thanks
 
Not sure when they started (38 ish???) but I believe Ford went 12V in 56. Certainly by 57 they were 12V.
 
guam2250 said:
When did Ford go to 2 brush generators? I may have the year wrong, but it is a 6 volt, positive ground. I have used it for many years with no issues. Thanks
Click to expand...

1939 was the first year Ford used 2 brush generators with voltage regulators. They stayed 6 volt positive ground through 1955.
 
Hello. I am looking at this regulator for a 6 volt, positive ground project. The label says NEG, but it also says to "push the button before starting engine" to polarize. Does that mean it can be polarized to a positive ground? Thanks
 

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These type units were not received well. They were terrible at holding set voltage. Blue streak didn't sell the adjustable voltage units very long but they kept the polarize button quite a while. They always look new because folks would remove them pretty soon after realizing that they didn't work well. They were conversation pieces after that and not in a good way.
 
Im not sure why you want to adjust your regulator. What am I missing here? I would recommend you go to a NAPA or like store and buy a quality part and be done with it. Tim
 
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