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#1117251 Mon Aug 03 2015 11:51 PM
Joined: Aug 2001
Posts: 76
S
Shop Shark
OK.. I know it is a truck forum and have used the site for not only my truck, but also my 235 powered 57 chevy 210.. I acquired a 49 Pontiac some time ago and just now started work on it. I bought a 6 volt battery and installed it. Everything is original, but I noticed that the generator is 12 volt. At least that is what the metal tag states. I got the car running, but was leery about the generator, so I unhooked it. It appears that the generator was hooked up a long time ago, but I didn't think that it was a good idea. Any thoughts on this? Can you run a 12 volt generator on an otherwise 6 volt car?


'57 Chevy 210 (235)
'72 Chevy C10 Stepside (350)
'49 Pontiac Streamliner (239)
'46 Chevy 3/4-Ton (216) (Sold)
'46 Chevy 1 1/2-Ton (Sold)
'50 Chevy Loadmaster Semi (Sold)
'68 Chevy Stepside (Sold)
Joined: Feb 2002
Posts: 12,860
F
Extreme Gabster
not if the generator is actually putting out 12V, it'd fry the battery if the regulator didn't start smoking first, but you might check what the regulator is [and light bulbs], someone may have converted it to 12V previously - the starter will work fine on 12V

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics
Joined: Nov 2007
Posts: 190
K
Shop Shark
The regulator will have 12V or 6V stamped on it somewhere if its aftermarket, or at least most of them did. If its still a Delco reg. it will have the last few numbers stamped in the mounting base. If you have that give me the numbers and I can tell you if its 6 or 12 volt
Ken

Joined: Aug 2001
Posts: 76
S
Shop Shark
The regulator has a paper tag on it that is illegible. All the lights are 6 volt and the coil is 6 volt. I guess I'm glad I unhooked it before I started it. Its just weird that it was on there and wired up. Now I guess I need to hunt down a 6 volt generator..


'57 Chevy 210 (235)
'72 Chevy C10 Stepside (350)
'49 Pontiac Streamliner (239)
'46 Chevy 3/4-Ton (216) (Sold)
'46 Chevy 1 1/2-Ton (Sold)
'50 Chevy Loadmaster Semi (Sold)
'68 Chevy Stepside (Sold)
Joined: Feb 2004
Posts: 24,576
H
Kettle Custodian (pot stirrer)
According to my 1940-53 Motor Magazine repair manual, the 49-50 Pontiac ran a 30 amp 6 volt generator, Delco part #1102711. The corresponding regulator is a Delco #1118301. A 49-50 Chevrolet generator, same amp capacity, is an 1102710, and the manual lists the same regulator as the Pontiac.

Olds and Cadillac run a 40 amp generator, with a different regulator part number.
Jerry



"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Joined: Aug 2001
Posts: 76
S
Shop Shark
Thanks Jerry! I saw that Wilson Auto Electric has a cross to the delco 1102711. Their part number is 92-01-3008 and can be purchased through NAPA. It is listed as 6 volt, 30 amp, CW rotation, negative polarity. Their part also crosses to numerous generators. Can I assume that this will work? Or will I need to find the Delco?


'57 Chevy 210 (235)
'72 Chevy C10 Stepside (350)
'49 Pontiac Streamliner (239)
'46 Chevy 3/4-Ton (216) (Sold)
'46 Chevy 1 1/2-Ton (Sold)
'50 Chevy Loadmaster Semi (Sold)
'68 Chevy Stepside (Sold)
Joined: Feb 2004
Posts: 24,576
H
Kettle Custodian (pot stirrer)
The generator doesn't know what name it has- - - - -as long as the specifications are right, it should work. It's not uncommon for a generic rebuilt unit to cross over several OEM applications. No problem with a generator, and usually generic regulators are OK, but beware of "one size fits most" carburetors! It seems that Delco changed numbers for the same basic unit from year to year, possibly as a method of monitoring warranty coverage, slight production run differences, etc.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Joined: Aug 2001
Posts: 76
S
Shop Shark
Thanks for the advice! I may end up converting to a 6 volt alternator. Right now I'm troubleshooting the starter. This car has sat for 50 years, so I'm sure a lot of things need attention.

And I know what you mean about carbs. I've fought that battle before!


'57 Chevy 210 (235)
'72 Chevy C10 Stepside (350)
'49 Pontiac Streamliner (239)
'46 Chevy 3/4-Ton (216) (Sold)
'46 Chevy 1 1/2-Ton (Sold)
'50 Chevy Loadmaster Semi (Sold)
'68 Chevy Stepside (Sold)
Joined: Feb 2004
Posts: 24,576
H
Kettle Custodian (pot stirrer)
I believe I could outrun anyone who wanted to GIVE me a 6 volt alternator, and I certainly wouldn't buy one. They're almost all made with proprietary components, they're horrendously expensive, and if one breaks down, you'll have a horrible time getting it fixed. Did I mention they're expensive?
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
Joined: Jun 2005
Posts: 426
A
Shop Shark
Jerry, I have a 6 volt alternator on my 53 and it is a great improvement over the generator. And yes it cost a few bucks and yes it will be fixed, if any any malfunctions by the manufacture. I would highly recommend the alternator over the generator if built correctly!!

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