Voltage regulator for 6V starter
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Senior User
Joined: Apr 2011
Posts: 116
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From: Napa Valley CA
Voltage regulator for 6V starter
My f1 was converted to 12v but the starter is 6v, i noticed LMC had a regulator,. is that all i need and is this the right part number.....47-0877.
Or does the starter need to be rebuilt to 12V?
Or does the starter need to be rebuilt to 12V?
Lead Driver
Joined: Dec 2004
Posts: 7,669
Likes: 13
From: San Jose, CA
I believe that you'll need the 12v voltage regulator 47-0878. You may want to contact your local NAPA auto parts store as they should have one in stock. It's a common item that was used on trucks well into the 70s. It'll probably also be cheaper, by the time you add up the shipping cost and time.
You should also get your starter rebuilt to 12v.
You should also get your starter rebuilt to 12v.
Lead Driver
Joined: Dec 2004
Posts: 7,669
Likes: 13
From: San Jose, CA
I wouldn't do it. I'd spend a hundred bucks or so to get the starter rebuilt to 12v. There's a good place here in San Jose that can rebuild it fast and at a reasonable price. I had my 6V generator rebuilt and he charged me $130. Got it done in less than 24 hrs. The place is called San Jose Diesel Electric. I'm sure that there's an outfit like this in your area.
If you're going to finish the 12v conversion that the PO apparently did (don't you love PO's?), then, in my opinion, do it right the first time. You'll be more money ahead and will encounter less headaches in the future.
If you're going to finish the 12v conversion that the PO apparently did (don't you love PO's?), then, in my opinion, do it right the first time. You'll be more money ahead and will encounter less headaches in the future.
Welder User
Joined: Feb 2009
Posts: 5,269
Likes: 50
From: northwest MT
I'm confused.....the voltage regulator pictured has nothing to do with your starter. It is part of the charging system.
I am not aware of any way to reduce voltage to the starter.....easily. Having your starter rewound for 12V is the best bet.
I am not aware of any way to reduce voltage to the starter.....easily. Having your starter rewound for 12V is the best bet.
Tuned
Joined: Oct 2005
Posts: 400
Likes: 2
From: Arvada, CO
I agree with tinman that voltage regulator is for the charging circuit not the starting circuit. I have run 6v flathead starters on 12v with no problems makes them sound like a late model starter.
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Posting Guru
Joined: Jun 1999
Posts: 2,415
Likes: 3
From: Comox Valley, Canada
Have to agree the voltage regulator doesn't affect the starter it is for the charging circuit. The starter runs directly off the battery, so whatever voltage the battery is rated at is what the starter gets.
Also just to throw this out there.....I converted my 1941 Flathead 4 ford tractor to 12 volts many years ago. Left the starter the original 6 volt and it is still working fine.
Also just to throw this out there.....I converted my 1941 Flathead 4 ford tractor to 12 volts many years ago. Left the starter the original 6 volt and it is still working fine.
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Senior User
Joined: Nov 2008
Posts: 133
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From: Hillsboro, Or
My flatheads have 6 volt starters in them also and they just spin faster. The starter does not care if it is 6 volts or 12 volts. The local dc electric shop near me told me it was fine just don't crank it for a long time because it will heat up faster bcause it spins faster. Hope this helps you
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