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5.3 v8 swap, need some help with cranking system

516 Views 17 Replies 6 Participants Last post by  Thawk
I am to the point with my swap where i need to figure out the wiring to crank the new motor with the key switch. i'm just having a hard time finding the signal wire coming from the key switch. i have the yellow wire for the starter relay under the hood, just need the under dash wiring. Anyone familiar?
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There is no wiring to change, if you replaced a V8 for a V8.
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