Thread: Holley 4150 Carburetor - Is this the vacuum and what is the 2nd electrical plug for?
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Old 03-29-2019, 10:15 AM
Midcont Midcont is offline
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Cobra Make, Engine: SPF-427R
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Quote:
Originally Posted by TButtrick View Post
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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