LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Lethal birds 24x thread

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Old 12-21-2011, 02:24 PM
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Im left with
Red. A9 egr vacuum contol, A12 ebtcm tp signal sensor, A14 air pump, A23 traction control
Blue. 10 EVAP canister, 15 skip shift, 20 output/field service, 24 A/C evaporator, 30 serial data
Black. 3 Distributor reference low signal, 5 Ignition control
Clear
. 11 Traction control
Im guessing i dont need the things in bold. Please correct me if im wrong.

Last edited by lethal bird; 12-23-2011 at 11:23 AM.
Old 12-21-2011, 04:12 PM
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I know theres a few that have done this, I know Merim123 made a thread. Just wish we could all get together and make one good thread over all of it.
Old 12-21-2011, 06:03 PM
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Ok I got rid of Red 9 and 14, Black 3, 5. Any one know about the rest.

Last edited by lethal bird; 12-21-2011 at 10:18 PM.
Old 12-21-2011, 10:18 PM
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And found a place to power the coils and ground them.
Old 12-22-2011, 07:31 AM
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where did you find?
Old 12-22-2011, 10:59 AM
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alright, one wire im wondering about is from Blue 30, EFI connections conversion comparison doesnt have it, but yet the LS1 PCM has locations for it in Blue 14 and 15. Not sure where its suppose to go or if its needed.
Old 12-22-2011, 11:58 AM
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On the c100 I think it was. Where the pink coil wire is, I think it's black 30. And Im going to ground them at the PCM ground. Blue 30 is serial data.

Last edited by lethal bird; 12-22-2011 at 02:04 PM.
Old 12-22-2011, 12:05 PM
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Alldata print out just says blue 30- Searial Data (UART) for the lt1

on the ls1 pcm it says on the blue connector 14 and 15 are for UART serial Data

I dont know if these are needed or not, its not on the conversion chart.
Old 12-22-2011, 12:47 PM
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I don't know hopefully someone will chime in on the subject.
Old 12-22-2011, 02:35 PM
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looks like the UART is just another serial data port, however the ls1 pcm uses the class 2 serial Data one. So The UART does look like it can be deleted.
Old 12-22-2011, 02:54 PM
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Now what about all the ac, evap, and traction stuff.
Old 12-22-2011, 03:31 PM
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blue 10 from lt1 would actually go into red 45.

I wont be running this as I will delete it in the tune.

I dont have traction control and am unsure where this stuff would go.
Old 12-22-2011, 03:39 PM
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I am thinking the lt1 blue 24 AC Evaporator goes into Red 55 for a/c low pressure switch signal. I am unsure on this one tho.
Old 12-22-2011, 08:39 PM
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I haven't even started to look at it today. I been busy with work and such and i just don't even feel like touching it today. Ill tackle it in the morning.
Old 12-22-2011, 09:29 PM
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Originally Posted by 355z28
blue 10 from lt1 would actually go into red 45.

I wont be running this as I will delete it in the tune.

I dont have traction control and am unsure where this stuff would go.
I don't have traction control ether but i didn't know if the ls1 computer needs to see it.
Old 12-22-2011, 11:35 PM
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no, it doesnt need to see the traction control, im even taking out all of the rear o2 wiring as ill tune that out as well.
Old 12-23-2011, 12:21 AM
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Originally Posted by 355z28
no, it doesnt need to see the traction control, im even taking out all of the rear o2 wiring as ill tune that out as well.
I didn't have rear o2s so one less thing to worry about.
Old 12-23-2011, 01:40 AM
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Looks like red a23 can go to red 53 i think.
Old 12-23-2011, 11:23 AM
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Ok so now it looks like i'm still left with red 12, blue 15, 20, 24, 30, clear 11.
Old 12-23-2011, 05:23 PM
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Originally Posted by lethal bird
Ok so now it looks like i'm still left with red 12, blue 15, 20, 24, 30, clear 11.
You can do it man! dont give up and get the premade harness! i gave up before i even started! lol


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