Blue/green harness and ecu - LS1TECH - Camaro and Firebird Forum Discussion

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Blue/green harness and ecu

Old 05-06-2018, 05:56 PM
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Default Blue/green harness and ecu

Can I use this harness ecu for drive by wire set up in my s10. Or do I need red /blue? What's the difference?
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Old 05-07-2018, 12:51 PM
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Blue/Green are pretty much all drive-by-wire and will (in most cases) use different O2 sensors than the Red/Blue PCM.
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Old 05-13-2018, 03:17 PM
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Mot true...just pulled a 2004 6.0 out with blue/green connectors, van had cable t.b.
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Old 05-14-2018, 07:15 AM
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Don't know about "all"; but I have a 04 Avalanche (ya think!?!?) which is DBW, and it has the green/blue configuration. I have the harness from a 06 Escalade LQ9, also DBW, and it's the blue/green; basically identical to the LM7 harness with minor differences like electric fans. (which I put in my LM7 truck) So yes, for sure, the blue/green combo does at least support DBW.

Take a look at the TB connector in your particular harness and see if it's the DBW type or what.
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Old 05-15-2018, 04:04 PM
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6106 are DBC
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Old 05-16-2018, 11:18 PM
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Originally Posted by Dan45 View Post
Mot true...just pulled a 2004 6.0 out with blue/green connectors, van had cable t.b.
Agreed. My 04 GTO uses blue/green connectors and it has a cable 75.
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