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Can i use 5.7L harness with 6.0

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Old 05-06-2018, 12:09 AM
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Default Can i use 5.7L harness with 6.0

hey guys brand new to the forum! I need a little help. I'm getting my 68 Camaro redone with a ls 6.0L twin turbo and just found out the wire harness I have is for a 5.7L is it possible to use with the 6.0? the computer I have is for a 6.0 as well let me know its already in the car so I'm trying to figure out what to do.

edit: my ecm I have it 12200411 and the harness is from painless # 60508

Last edited by Cerreta28; 05-06-2018 at 01:58 AM.
Old 05-06-2018, 01:53 AM
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Yes it will but may need some wiring/plug modification depending injectors/map sensor you're using. Basically a 4.8 5.3 5.7 6.0 will run off the same computer and harness as long as the reluctor wheel is correct for the computer. early LS based engines ran a 24x reluctor and later ran a 58x reluctor wheel. The engines are very similar and most parts interchange.
What year is the 6.0?
Old 05-06-2018, 01:59 AM
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The 6.0 Is from 2000-2004
Old 05-06-2018, 02:00 AM
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Originally Posted by LLLosingit
Yes it will but may need some wiring/plug modification depending injectors/map sensor you're using. Basically a 4.8 5.3 5.7 6.0 will run off the same computer and harness as long as the reluctor wheel is correct for the computer. early LS based engines ran a 24x reluctor and later ran a 58x reluctor wheel. The engines are very similar and most parts interchange.
What year is the 6.0?

its from 2000-2004 I ahem a 4l80e behind it . So I might need a swap harness for that as well right ?
Old 05-06-2018, 02:18 AM
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The harness will work with some modifications. There are different plugs for different injectors and probably the map sensor. As far as the transmission is concerned you can always add the wires needed to make it plug in and the computer will need to be programmed for the changes. Is the harness you have already converted to stand alone for your application or is it a unmodified harness right out of car?
You can either build a harness yourself or have one made to fit your engine/trans combination from several places http://www.psiconversion.com/ http://www.currentperformance.com/sh...ngine-harness/ and others.

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Old 05-06-2018, 08:27 AM
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Originally Posted by LLLosingit
The harness will work with some modifications. There are different plugs for different injectors and probably the map sensor. As far as the transmission is concerned you can always add the wires needed to make it plug in and the computer will need to be programmed for the changes. Is the harness you have already converted to stand alone for your application or is it a unmodified harness right out of car?
You can either build a harness yourself or have one made to fit your engine/trans combination from several places http://www.psiconversion.com/ http://www.currentperformance.com/sh...ngine-harness/ and others.
it’s a stand alone from painless wiring
Old 05-06-2018, 09:05 AM
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As I said above the engines are very pretty much the same, The only difference in a custom application is there are differences in the plug needed for different injectors and map sensors. As far as the transmission, If it's wired for a 4l60e and you need to switch to a 4l80e http://lt1swap.com/4l60e_4l80e_harness.htm
Old 05-06-2018, 09:07 AM
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Originally Posted by LLLosingit
As I said above the engines are very pretty much the same, The only difference in a custom application is there are differences in the plug needed for different injectors and map sensors. As far as the transmission, If it's wired for a 4l60e and you need to switch to a 4l80e http://lt1swap.com/4l60e_4l80e_harness.htm

thansk for you help ! I ended up getting a 4l60e to 4l80 swap harness so I think that should work
Old 05-06-2018, 10:24 AM
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Originally Posted by LLLosingit
As I said above the engines are very pretty much the same, The only difference in a custom application is there are differences in the plug needed for different injectors and map sensors. As far as the transmission, If it's wired for a 4l60e and you need to switch to a 4l80e http://lt1swap.com/4l60e_4l80e_harness.htm

any idea what Altanator plus this is


Last edited by Cerreta28; 05-06-2018 at 11:05 AM.
Old 05-06-2018, 12:33 PM
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Show a zoomed out picture of the alternator.

Andrew
Old 05-06-2018, 12:50 PM
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Originally Posted by Cerreta28



any idea what Altanator plus this is

here you go hope this works it’s all I have on my phone
Old 05-06-2018, 01:01 PM
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This looks right:

https://www.rockauto.com/en/moreinfo.php?pk=933607&cc=1051175&jsn=609

https://www.rockauto.com/en/moreinfo...051175&jsn=610

Andrew
Old 05-06-2018, 01:04 PM
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sweet !! I’ll give it a shot !!! Thanks a ton




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