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oldredford 03-30-2025 03:36 PM

alternator
 

When converting to an alternator what do you do with the voltage regulator?

Jack E/NJ 03-30-2025 03:54 PM

Re: alternator
 

I put mine on a shelf in the garage along with the old generator.

mcgarrett 03-30-2025 09:56 PM

Re: alternator
 

Using a 1 wire GM type alternator the voltage regulator isn't needed. You can leave it where it its as a placeholder or as stated above remove it altogether.

big job 03-31-2025 06:43 AM

Re: alternator
 

Leave it and connect the alt. one wire to batt terminal on the regulator so current will flow throught the ampmeter as the generator would.....

Drbrown 03-31-2025 10:09 AM

Re: alternator
 

Purchasing an Alternator: The diodes used in Alternators to control voltage can be unreliable. Rebuilds typically come from China. I bought two in a row that had bad diodes which allowed higher than allowed voltage. Best to have your local electrical shop check a new or used one. They can last a long time. Might be a reasonable idea to buy an older one thru a salvage place and test it.

1956 ford 03-31-2025 01:44 PM

Re: alternator
 

Why would you not buy USA?

bobH 03-31-2025 05:51 PM

Re: alternator
 

Replacement diodes might not be good. I can't speak to that. However, I point out that diodes in alternators DO NOT control voltage.

Jack E/NJ 03-31-2025 06:56 PM

Re: alternator
 

According to google's auto intelligence guy---


"In alternator voltage regulation, a Zener diode acts as a voltage reference, providing a stable voltage to control the output of the alternator, typically by triggering a transistor to regulate the field current"


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