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Old 07-31-2006, 04:18 PM
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Generator to Chevy Alternator Conversion

I'm fixing a buddies' '61 Facel Vega. I'm not much for foreign cars, but this one is pretty darn cool.

Anyway, Doc was super helpful figuring out the starter wiring and now I need to figure out how to wire the chevy alternator (early style) with the existing harness.

From the stock regulator I have 3 wires. 1) from the ARM post 2) from the FLD post and 3)from the top mounting post which I believe is a ground

There is no wire available from the BAT post.

Can I rewire this to work with the Chevy Alternator?

Thanks.
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Old 07-31-2006, 05:04 PM
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Doc here,

What type Alternator do you plan to use? The Delco SI Series, or the CS series, and will it be internally regulated or externally regulated, one wire or three wire, Care if the charge lamp works or not..?

There is a primer at Mad Electrical site here:

Mad Electrical

That will help you decide..when you have picked the system , post back with which one, and we can provide you with the wiring for it.

Doc
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Old 07-31-2006, 05:13 PM
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Thanks Doc.

It has an alternator which is the older style (not sure of the #). it had the plug a that is horizontal - I I . It looks like it's from the early 70's. I'm guessing it's a 10SI?

It's externally regulated, I want to stick with 3 wire and I don't care about the dummy light.
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Old 07-31-2006, 06:01 PM
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Doc here,

Simple...

Run a 10 gauge wire from the solenoid Battery Cable bolt , Via a proper fuse link, To the BATT (or big lug on the back of the alternator) .

Next, Run the small red from the top plug to the Big cable on the back of the alternator.

Next , run the brown wire from the top plug to the lamp / Switch / Bypass circuit existing in the car. (it too should be brown , on the old regulator)

This will give you a basic charge system, with idiot lamp. Test it for proper operation, Then remove and abandon the old regulator. Tie back and properly insulate the wires from the regulator..BTW , the reds on the regulator may need to be connected together...to work right.





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