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In need of help with 5.3 wiring harness

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Old 09-22-2011, 05:06 PM
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Default In need of help with 5.3 wiring harness

Hello, anyone with any info please help. Ive done a 5.3 swap in a 1992 s10.. In need of wiring scamatics for the 5.3 harness to know positions of pins on the ecm... please if any can give any info id glady appreciate it. Thank You.
Old 09-22-2011, 10:51 PM
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Year of the pcm would help a lot, I have ones for a 2003 DBW(suburban) and DBC(express van) pcms
Old 09-23-2011, 09:23 AM
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It's a 1999 model ecm
Old 09-23-2011, 04:07 PM
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Originally Posted by sdime_racer
It's a 1999 model ecm
Which vehicle does the engine/harness come from?
Old 09-23-2011, 06:38 PM
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Engine and harness is from a 2001 tahoe. Pcm is out of a 99 silverado




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