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Old 11-05-2015, 05:24 PM   #5
Fitz
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Join Date: Jan 2007
Location: Tucson
Posts: 2,183
Re: Engine wiring question Purple and green

Quote:
Originally Posted by Steeveedee View Post
The yellow wire provides power to the coil through the solenoid when cranking the engine to start it. If you tie it off, you may have a lot of cranking since you won't be powering the coil. You'd have to get it spinning and let the ignition catch when you let go of the key. I get around this by using a remote solenoid from a competing automotive manufacturer to provide power while cranking.
That wire is not used on an HEI distributor. You use a "key on hot" on the HEI '+' terminal instead.
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