Holley 4150 Carburetor - Is this the vacuum and what is the 2nd electrical plug for?

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#5 (permalink)

03-29-2019, 10:15 AM

Midcont

CC Member

Join Date: Apr 2011

Cobra Make, Engine: SPF-427R

Posts: 56

Not Ranked

Quote:

Originally Posted by TButtrick

Yes, 12VDC to the bare terminal in your photo. Take a look at 1:45 in this video;

https://youtu.be/a81YNfOFVKg

Ok, thanks for the link, very helpful.
Just so I'm understanding here:
The choke has never had power running to it. Why would't it have been powered?
Is there any risk or negative to adding power to it?
How would adding it change my startup procedure?
Any effect on the engine once running or warm?

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