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'54, 3100- 6 to 12 volt conversion #438097 Sat Aug 02 2008 02:46 PM
Joined: Mar 2008
Posts: 30
mr.brinker Offline OP
I am looking to convert from a 6 to a 12 volt system in my 1/2 ton truck. Is there a paticular alternator that would be more readily adaptable in regards to mounting and necessary output.
Thank you,

Re: '54, 3100- 6 to 12 volt conversion [Re: mr.brinker] #438109 Sat Aug 02 2008 04:35 PM
Joined: Sep 2001
Posts: 29,114
tclederman Online
235 engine?

Standard equipment or additional 12v accessories?

New wiring harness; if yes, original-circuits or extra circuits?

1954 3106 Carryall Suburban - part of the family for 49 years
1954 3104 5-window pickup w/Hydra-Matic - part of the family for 15 years
Z-series (54/55) GMC 350 (2-ton) COE - now part of Dave's family
- If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem.
- The 216 and early 235 engine are not "splash oilers" - this is a splash oiler.
Re: '54, 3100- 6 to 12 volt conversion [Re: tclederman] #438159 Sat Aug 02 2008 08:26 PM
Joined: Jun 2004
Posts: 8,151
Wrenchbender Ret. Offline
Master Gabster
A 63 amp off a GM from 73- 85. will work real good. If the wire outlets are in the wrong possition you will have to change the "clock" possition.

They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.

1956 Chevy 1/2-Ton Pickup

Re: '54, 3100- 6 to 12 volt conversion [Re: Wrenchbender Ret.] #438171 Sat Aug 02 2008 09:09 PM
Joined: Nov 2007
Posts: 190
Kennethw Offline
Shop Shark
Fran, If your interested in keeping the original apperance and converting your generator and regulator to 12 volt that is possible as well. Also, if your needing extra amperage that is also an option on your original generator while doing the conversion to 12 volt. You can private message me for more info if your interested in something like that.
If you want to go with an alternator, the Delco 10si internally regulated built as a "one wire" set up is nice and clean with a minimal amount of wiring since there is just one wire to deal with. This can be done in 6 or 12 volt. I can help you out with that as well.

Re: '54, 3100- 6 to 12 volt conversion [Re: tclederman] #438252 Sun Aug 03 2008 04:15 AM
Joined: Mar 2008
Posts: 30
mr.brinker Offline OP
Thanks to all. yes, I will be replacing the wiring harness and will possibly add AC and maybe power windows in the distant future, so I plan on having additional circuits available for those upgrades. I am running the stock 235.

Moderated by  Rusty Rod 

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