6 volt to 12 volt?

[poserbmx]

i am going to switch to 12 volt on my 64 beetle, i was asking if i have a 68 ca i just switch all my parts over for the conversion? if not what do i need?

[PaintingWithPressure]

i have been wanting to do mine also, and so far i know you have to get a 12V wireing harnest , and then switch all your blubs to 12 volt, windshield wiper motors need to be switched to 12V, and relay switches, and i think sensors. But ill keep my eye on this thread to see if i missed anything.

[volkswagenut]

No need to change the wiring harness. You need to change all bulbs(head lights) , starter , coil , anything electrical . the wiper motor you can either run a reducer or get a new rewound spool for 12V from WW. The flywheel has to be a 12v and tranny needs to be ground to clearence it. Also need a new generator or alt.
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[poserbmx]

ok so i have pretty much everything i need out of my 68 to swap into my 64. the main reason for this is that my engine was origanaly a fuel injected model, i put a 12v electric fuelpump in and am running carbs. this is the engine i will put into the 64

[volkswagenut]

Ya sounds like it , you can use the flywheel , starter , dont forget the bushing. headlights , etc.
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[ivsamhell]

any pics on wiring up the 12v gen/reg with the 6v harness?

[volkswagenut]

another link to 6v 12v wiper ?
http://www.thesamba.com/vw/forum/viewtopic.php?t=229406
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[volkswagenut]

12v regulator diagram

[/quote]
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[volkswagenut]

12V alt. diagram

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[volkswagenut]

Thought this might help seen in another thread.

Polarizing generators

[volkswagenut]

Link to Motorola alt. diagram
http://www.nls.net/mp/volks/schem/altreg.gif
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[vwluvrs]

How I converted Alfie to 12 volt

Bought a new wiring harness (49 years old, ya know)
All New 12 volt bulbs (Halogen headligts I CAN SEE!)
Bought the new 12 volt wiper motor armature (bus boys)
Bought and had rebuilt an old small diameter porsche generator (12 volt, sits on the generator stand, no modifications)
Mounted new 12 volt regulator on fire wall, passenger side of motor
oh yeah, new 12 volt battery
Added a third brake light, using a VW backup light, with LED red bulb
Kept 6 volt starter, spins fast, starts faster!

See photos <HERE>
Works like a champ.

[bob walsh]

One problem with using 6Vstarter on 12 system. It will slam into the flywheel very hard. Eventually, this may cause a problem. it's a fairly long eventually, but the likelyhood is there. If you are using a hard start relay don't forget to change that or it will fry.

[vwluvrs]

My first 12 volt conversion, done in 80's, the starter lasted at least 10 years, before I sold the car. So final outcome unknown
I trust the old vw starter to give me lots of years of service, as it spins twice as fast, so starts even quicker. Less wear? Who's to know..
My 2 cents

[jake_vw]

it was fairly simple procedure when i switched my 63, heres all i did:
• new 12v battery
• alternator
• new ignition coil
• all new bulbs
• 6 to 12v wiper motor conversion

thats basically all you need, the old 6 volt wires are thicker than the 12 volt wires so theyre keepable. and i personally like running the old starter with the 12 volt juice it cranks over a whole lot faster.

[SoLeFooD™]

So if it has the regulator, you're
basically good to go on the 12v thing?

Im more concerned about hooking up
a small 12v stereo in it than anything.
(I need my music).

[Russ Wolfe]

The 6V starter will last a long time. If you do a lot os stop and start driving, the flywheel teeth will go before the starter. The last one I did lasted about 7 years. Then I just pulled the engine and put another used 6V flywheel on it. As far as I know, the second flywheel outlasted the rest of the car.
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[bugjuice82]

This should answer your questions

http://www.nls.net/mp/volks/htm/6v_12v.htm

[glandnut]

Some particulars not mentioned that I just found out as I'm swapping my 65' with the original 40 horse to 12V.

Use the original 6V fan hub, makes sense since the same fan is going back in the same shroud, the spacing needs to go back like it was. Don't use the 12V hub, it changes the fan depth.

I can't use my 40 horse generator pulley, the belt is out of alignment. I guess I have to use the later 12V pulley that is swept back towards the face of the generator.

You can't use the 6V generator strap, you need the 12V larger one.

Instead of putting the regulator under the rear seat, I took Glutamodo's advice and tapped another 5 X 1.0 hole to mount the regulator on the 12V generator. Wiring doesn't have to be pulled back through the firewall or spliced or cut at all. Looks great!
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[OldBayAlex]

As you can see it's debatable whether or not to change out the starter, but from what I've heard, if you take it easy when turning the key (ie- don't turn the key any longer than you have to) you can keep the wear in check.