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wire diagram for a 60e to 80e swap on a NNBS

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Old 09-04-2010, 11:20 AM
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Default wire diagram for a 60e to 80e swap on a NNBS

im doing a conversion on my buddys 07 silverado and he has an 07 nnbs silverado and wants to install a 4L80e from an 02 escalade. I have the module and everything else needed for the swap just not the wiring info for a NNBS. Any one got a link??? thanks
Old 09-04-2010, 11:57 AM
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speartech sells a conversion harness
Old 09-04-2010, 12:57 PM
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An 02 escalade had a 4l65e didn't it ???
Old 09-04-2010, 04:16 PM
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http://www.ls1truck.com/forums/power...on-gmt900.html
Old 09-04-2010, 06:57 PM
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good link. i seen he got a little more in depth with the pinning changes in this thread
Old 09-04-2010, 09:27 PM
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great like keniff, looks like smooth sailing now...lol..
Old 09-04-2010, 09:43 PM
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no problem its cheaper than buying the harness
Old 09-04-2010, 09:52 PM
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thats what im doing right now!!!! repinning that beast!. i gotta go to the salvage yard tomorrow maybe and get another black box!
Old 09-04-2010, 09:53 PM
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here is the steps



Wiring mods...
Remove K(orange), V(light blue), S(white), T(tan/black) and U(brown) wires from transmission connecter. Move U(brown) wire to the S location.
Front Input Speed Sensor (ISS) is made by using the orand and light blue wires. Add a VSS connector, connect orange to terminal A and light blue to terminal B. Move the low signal wire from pin 45 to location 26 in the TCM harness.
Install the front Input Speed Sensor wiring connection
Install the shift selector switch on the driver side you removed from the 60.
The factory speed sensor can plug back into the 80e tailshaft sensor
Old 09-04-2010, 10:24 PM
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good job daryn, i was on my iphone so i wasnt going to take the time to do all that lol


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