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ECU/wiring pinout 2005 GMC Sierra 4.8L/4L60E

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Old 09-17-2014, 08:21 AM
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Default ECU/wiring pinout 2005 GMC Sierra 4.8L/4L60E
Hello,

I did some searching around here, but didn’t find exactly what I am looking for.
We’re doing a swap into an old chevy coupe.

Looking for ECU pinout info…
Multiple #s on the ecu:
SERV# 12589463

HDW#: 12589162

12591723

?VIN? 86YHZS9042193GQZ

2005 GMC Sierra 4.8L/4L60E

Can anyone help with this?
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Old 09-17-2014, 08:59 AM
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http://www.lt1swap.com/wiringharness.htm
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Old 09-17-2014, 09:40 AM
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thanks...I'm sure to be asking more once we get a little further into this project.
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Old 09-17-2014, 11:41 AM
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Ive got the complete schematics for an 05 5.3 L59 if that helps.

Originally Posted by my8950
thanks...I'm sure to be asking more once we get a little further into this project.
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