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LY6 with 4L60e - Need a little help with Wiring Harness please

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Old 10-22-2010, 05:49 PM
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Default LY6 with 4L60e - Need a little help with Wiring Harness please

The harness and PCM I'm using is from a 2007 LQ4/4L80e Truck. My motor is an LY6 with L76 intake and mechanical throttle body. I will be using the Lingenfelter 58x to 24x conversion box.

I know I need to swap injector plugs from EV1 to EV6 style
Need to swap 2 wires around on the big round tranny plug for the 80e-60e change.
Eliminate connector for the 80e's extra speed sensor


Do any other connectors in the harness need to be changed? I have the LQ4 that I can swap sensors over to the LY6 if need be.

Do I need to eliminate VVT?

Should there be any issues from eliminating the MAF for a speed density tune?
Old 04-26-2012, 06:17 PM
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Did you ever figure out what to do? I have a ly6 that Im going to mate to a 4l60E and I would love to find out what all you did?
Old 04-28-2012, 06:07 AM
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I've done a Gen4 run by a Gen3 harness and computer. What are you wanting to know exactly?
Old 05-01-2012, 03:25 PM
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Ok I have a 08 ly6 out of a silverado and it has the harness and computer I also have a 4l60e trans out of a 02 silverado but I don't have the harness from that. I need to know how to mate the two with the wiring. I'm putting it in a 70 chevy c10 so whatever wiring I need just let me know. Thank you



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