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Old Nov 16, 2019 | 03:44 PM
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i have a 2003 6.0l van motor and 4l80e trans and computer NO HARNESS i have a harness that a friend of a friend did hes saying that its a 2004 truck harness but he hacked it up and it seems to be missing 2or3 plugs off of the trans he said that the van harness was to hard to work with thats way he got the truck harness
SO MY BIG ??? IS SHOULD i A VAN HARNESS OR A TRUCK HARNESS
So my big ???? is should i look for a van harness or a truck harness to redo im thinking that this one i have is going to be hard to save maybe
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Old Nov 16, 2019 | 04:48 PM
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What's it going into?
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Old Nov 16, 2019 | 05:15 PM
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72 chevy truck
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Old Nov 17, 2019 | 07:11 AM
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Is the harness in the oil pan? If not, your post is in the wrong forum.
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Old Nov 17, 2019 | 11:36 AM
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Originally Posted by Old Geezer
Is the harness in the oil pan? If not, your post is in the wrong forum.
No it's not! Harnesses are EXTERNAL TO THE ENGINE! Get a life...
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Old Nov 23, 2019 | 01:50 AM
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Originally Posted by G Atsma
No it's not! Harnesses are EXTERNAL TO THE ENGINE! Get a life...
Actually, I'd say if anything guys... It belongs in pcm diagnostic section...
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Old Nov 23, 2019 | 01:58 AM
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Originally Posted by towstrap4x4
i have a 2003 6.0l van motor and 4l80e trans and computer NO HARNESS i have a harness that a friend of a friend did hes saying that its a 2004 truck harness but he hacked it up and it seems to be missing 2or3 plugs off of the trans he said that the van harness was to hard to work with thats way he got the truck harness
SO MY BIG ??? IS SHOULD i A VAN HARNESS OR A TRUCK HARNESS
So my big ???? is should i look for a van harness or a truck harness to redo im thinking that this one i have is going to be hard to save maybe

Its going to be the same... If your keeping a 4l80 trans... You'll need those connectors. Off hand I'm not certain... But the range gear and other sensors might be same as the 4l60 connectors. Grab your dikes and go to the junkyard. Harness/pcm wise... Its a blue n green pcm and harness either way. But 1 think I would do going into an older vehicle... Get the harness. Oil#switch is going to be different but you can swap switch out. Redo the harness and get a 0411 ecu. Dbc tb type. Get vats delete. If you want to use an older auto trans or stick , have it reprogramed for such. Not sure if you're familiar with all that side of the swaps. Either way.. Get vats deleted.
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