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Old 05-06-2019, 02:48 PM   #13
mongocanfly
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Join Date: May 2015
Location: Alabama
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Re: 5.3 factory harness with carburetor?

Sounds like you just sorta identified your problems....so it's not exactly the same as it was when you cranked it on the stand...its gonna be something to do with all the wiring you cut loose sounds like...
Whose wiring diagram did you use?..have you rechecked all the wiring and connections?....I'm still thinking grounding issue
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