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Old 04-25-2008, 07:49 AM   #1
gahi
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Default Chevy Alternator Wiring Diagram

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Old 04-25-2008, 05:59 PM   #2
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Default Re: Chevy Alternator Wiring Diagram

That is the best I have seen. Very self expanitory.


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Old 04-25-2008, 06:03 PM   #3
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Default Re: Chevy Alternator Wiring Diagram

Excellent. I assume you could also just hook the #2 wire on the alternator directly to the battery post on the alternator? Yeah, I'm that stupid about wiring but had to ask. Thanks.
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Old 04-25-2008, 06:15 PM   #4
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Default Re: Chevy Alternator Wiring Diagram

ya, you can hook it direct.
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Old 04-25-2008, 06:21 PM   #5
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Default Re: Chevy Alternator Wiring Diagram

Excellent.

Got any more Chevy diagrams?
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Old 04-25-2008, 06:24 PM   #6
55 dude
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Default Re: Chevy Alternator Wiring Diagram

wtf! no color?
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Old 04-25-2008, 06:54 PM   #7
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Default Re: Chevy Alternator Wiring Diagram

YOu can also loop Bat and number two at the alternator...

Then you only have the gauge wire (if you have one) and the line back to the battery to route.

Get rid of the gauge wire and you're down to a homemade one wire alternator.
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Old 04-25-2008, 07:03 PM   #8
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Default Re: Chevy Alternator Wiring Diagram

You need the indicator lamp or a resistor to exite the alternator.
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Old 04-25-2008, 07:27 PM   #9
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Default Re: Chevy Alternator Wiring Diagram

you dont even need wire #2 the connected through a diode interaly. its just a sense wire if you use it
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Old 04-26-2008, 04:46 AM   #10
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Default Re: Chevy Alternator Wiring Diagram

I didnt want to run a warning light on the excite wire and tried several way to hook it up, finally hit on a good way. Connect it to the unused pole on the starter that was originally used to supply power to the points during cranking, the momentary connection is all you need to get the altenator working then upon shutdown it cant backfeed the ignition circut. Works for me have done it several times. Just my 2 cents worth.
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Old 04-26-2008, 04:52 AM   #11
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Default Re: Chevy Alternator Wiring Diagram

39 Chevy, That is an awesome idea. I'll have to try it. I love learning new sh-t!
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Old 04-26-2008, 07:25 AM   #12
Mullda
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Default Re: Chevy Alternator Wiring Diagram

Great post. THanks for the info!
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Old 04-26-2008, 08:12 AM   #13
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Default Re: Chevy Alternator Wiring Diagram

I was just trying to find out about this stuff. Thanks!
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Old 04-26-2008, 08:44 AM   #14
LOST ANGEL
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Default Re: Chevy Alternator Wiring Diagram

Here's a one wire.-MIKE

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Old 04-26-2008, 09:15 AM   #15
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Default Re: Chevy Alternator Wiring Diagram

Thanks for both the diagrams, good job,,,,,,
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Old 04-26-2008, 06:56 PM   #16
Flingdingo
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Default Re: Chevy Alternator Wiring Diagram

Great diagrams, guys. Everyone needs to see this thread, this question gets asked at least once a week.
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Old 06-24-2008, 10:28 PM   #17
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Default Re: Chevy Alternator Wiring Diagram

39ChevyRatRod, I tried your idea of using the resitor bypass on the soleniod on my bucket today and it seems to work rather well. Thank you
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Old 08-22-2008, 03:44 PM   #18
Yaril
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Default Re: Chevy Alternator Wiring Diagram

found this thread thru a search and rather than start another wiring thread ill just post my question here.

i modified the above diagram (the second one). please let me know if its ok? *note that the ignition switch in my diagram is for a 50 Truck so it does not start the truck therefore i added a push-button start.

other thing i would like to know is on the above diagram the alt and ignition switch have a wire that go to Batt. what exactly does that mean? excuse my lack of electrical knowledge.

my modified version of the above diagram...



thanks.
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Old 08-22-2008, 04:03 PM   #19
LAROKE
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Default Re: Chevy Alternator Wiring Diagram

Here's one that's similar to the first one but with external regulator. It's from Petersons "Basic Ignition and Electrical Systems", a Hot Rod Magazine Technical Library book published in 1971 which I bought back when I had pimples all over my face (well, more pimples anyway).

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Old 06-07-2009, 09:21 AM   #20
michaell
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Default Re: Chevy Alternator Wiring Diagram

Best Idea I have heard since pop tops !!
Thanks !!
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