VOLTAGE REGULATOR

brookhaven
brookhaven Member
in HUDSON

When I put in the clutch while slowing down my 1948 Hudson Commodore, the amp light comes on. Let off the clutch, light goes off. If I come to a complete stop it will often die.    I found an old thread on this forum regarding a '53 Hornet in which the senior contributor HUDZILLA talks about the generator and voltage regulator models needing to match.  Is this requirement also applicable to the 1948 vehicle? Will certain REGS work better with certain GENERATORS.

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  • Lance
    Lance Member
    From 1948 up to 1950 Hudson had what was called a 3 brush generator requiring the voltage regulator to match the output of the generator. Starting about midyear 1950 Hudson switched over to a two brush generator and voltage regulator  If I remember correctly the generator was rated at that point to about 30 amps. In subsequent years from 52-54 the amperage  allowance on the voltage regulator was increased as well as generator output . In 1954 I believe it was up about 45 amps . It's important to match the correct voltage regulator to the correct generator as they work in tandem. The 3 brush generator and voltage regulator  on your 1948 Hudson will work going back to about 1940 or so.
  • SuperDave
    SuperDave Senior Contributor

    Actually it normal for the "gen" light to turn on and off during idle and slow downs. As long as your battery isn't going dead... It's just the "nature of the beast". Stalling is another problem.as Ken posted

    Posted by   A Looong time owner of 49's. 

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