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PCM and harness compatibility question.

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Old 09-07-2013, 12:25 AM
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Default PCM and harness compatibility question.

I have a 2002 5.3 out of a Silverado. Well the PCM and harness from a 2011 work? Keep in mind I'll be tuning/programming the pcm.
Old 09-07-2013, 12:53 AM
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No, not without modifications...

2011 requires CKP/CMP reluctors to be 58x/4x (there is no converter to go this way).

2011 harness connectors are different, and they're wired different.

2011 ECM/harness has extra functions (VVT).

2011 ECM uses CAN.
Old 09-07-2013, 07:09 AM
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Originally Posted by joecar
No, not without modifications...

2011 requires CKP/CMP reluctors to be 58x/4x (there is no converter to go this way).

2011 harness connectors are different, and they're wired different.

2011 ECM/harness has extra functions (VVT).

2011 ECM uses CAN.
Damn. Thanks man!



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