4.6 - Lightning 5.4 swap TOO many questions!
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#17
#20
I know a major hurtle you'll be looking at. 99+ pretty much across the board used digital odometer, 97/98 was analog. last i checked that alone had never been confirmed successfully swapped, again thats to my knowledge. more to do with the GEM module? i looked into taking my gem out to do a modification to the wiring behind it (tap it where i cant see it) and that looked like as much of a headache as a heater core so i disbanded that.
#24
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#29