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Joined: Jan 2019
Posts: 2
Grease Monkey
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OP
Grease Monkey
Joined: Jan 2019
Posts: 2 |
I have converted the electrical system to 12v. I have a new internally regulated alternator. I have all the lights working. I have 12v - 6v resistor connected to the gauges. What I can't figure out, nor have I found a good readable diagram is how to wire the alternator in correctly, and how to wire the ignition system. Anyone know how to wire the ignition system.
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Joined: May 2002
Posts: 6,149 Likes: 42
ChatMaster - 6,000
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ChatMaster - 6,000
Joined: May 2002
Posts: 6,149 Likes: 42 |
Welcome to Chatter
While most of us here prefer to keep our cars close to original several have converted to 12v, 1 of them most likely see your post and be able to advise you on their method.
Tony
1938 1/2 ton Hope to drive it before I retire
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Joined: Jan 2019
Posts: 2
Grease Monkey
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OP
Grease Monkey
Joined: Jan 2019
Posts: 2 |
Thank you, The rest is still original.
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Joined: Sep 2002
Posts: 2,323 Likes: 6
ChatMaster - 2,000
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ChatMaster - 2,000
Joined: Sep 2002
Posts: 2,323 Likes: 6 |
You can use a 12 volt coil that doesn't require an external resistor. I would suggest that as a good option.
My 1951 1 Ton is now on the road! My 38 Master 4 Door is also now on the road .
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Joined: Dec 2007
Posts: 4,024 Likes: 99
ChatMaster - 4,000
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ChatMaster - 4,000
Joined: Dec 2007
Posts: 4,024 Likes: 99 |
Let's see if we can close this post with just a few responses. It is more appropriate in the "Personal Modifications" forum
I am just finishing this same conversion on my friend's '49 3100. There are lots of posts in VCCA Chat and the internet in general about this work.
We also used a one wire alternator. At the alternator I simply folded the unused wire (Field) back on the harness and wrapped it with tape. I did the same with the Field wire at the regulator. Also at the regulator you need to connect the Armature wire to the Battery wire. You bypass the regulator completely. The result is that you have only one 10 gauge wire from the alternator to the ammeter.
We added an ignition resistor to the ignition circuit before the points. Yes, it is a 12 volt coil but the points will burn fairly quickly if they have 12 volts through them all the time.
We are using the original ignition switch and 6V starter with the manual pedal. Some people get more sophisticated and go to a modern ignition switch with a "Start" position. They then have to install of solenoid starter (often 12 volts) and wire the ignition to bypass the ignition resistor when the key is in the "Start" position. In the "Run" position the ignition goes through the resistor.
If you want to continue this discussion just start it up again in the Personal Modifications forum. I will watch for it there.
Rusty
VCCA #44680
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