Thread: 5.3 vortec wiring harness, pcm and coils
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Old 07-17-2011, 10:15 PM
bfurches bfurches is offline
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The ecu I have is Serv#12582605

I believe the harness is a 2003
It came off a drive by wire engine.

2wd harness, not 4wd.
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