Name that engine harness plug! Version 04 5.3L Envoy LM4

windsma · 2012-02-03 21:09:23

Close to the main fuse block plug 1: http://i175.photobucket.com/albums/w144/windsma/6b37e82b.jpg and these two near the "trans" portion of the harness 2: http://i175.photobucket.com/albums/w144/windsma/f64dfc97.jpg 3: http://i175.photobucket.com/albums/w144/windsma/a318b856.jpg thanks in advance.

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02-03-2012, 03:09 PM

windsma

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Name that engine harness plug! Version 04 5.3L Envoy LM4

Close to the main fuse block plug
1:

and these two near the "trans" portion of the harness
2:

thanks in advance.

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02-03-2012, 03:25 PM

mantycarguy

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Upper is for tac module I believe,middle is park/neutral and bottom is trans control main harness.

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02-03-2012, 03:43 PM

FastKat

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That is all correct! The middle one is the "later" style PNP switch connector found on later transmissions. I believe it integrates the earlier two-connector setup into one connector.