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

1993 t.a.

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Old Jan 30, 2017 | 05:51 PM
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Default 1993 t.a.

Hello Im Ricky and in process in changing my 2000 S10 extended cab narrow bed truck to a standard trans and a aluminum head lLt1this truck has the fuse block and most wiring under the hood not the dash. So has to have 2 elm's one for ylthe motor and the other for all the rest of junk like lights etc... I'm working on a stand alone harness. Have plenty info on the newt lt1's. But not the early ones. Anybody have a Pinout or know more about the harness ? Also who flashes cm for no emissions. No knock, o2's, no cats and all that jack. Can't afford a lot thanks Ricky
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Old Jan 31, 2017 | 08:31 AM
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http://www.lt1swap.com/93lt1a4.htm
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Old Jan 31, 2017 | 05:20 PM
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Default Pinout

I have this information from lt1swap but I need to know what each plug or pin goes to on the 4 plug ecm plugs. If you or anyone else has this information please let me know. Thanks for your help
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Old Jan 31, 2017 | 05:33 PM
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this might help

courtesy of shbox

http://shbox.com/1/4th_gen_tech2.html#1995_pcm_pinouts
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Old Jan 31, 2017 | 05:49 PM
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The link I posted is the 1993 wiring diagram, it tells you what the 4 connectors are and where they go.

Last edited by lt1-xjs; Jan 31, 2017 at 05:55 PM.
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Old Feb 1, 2017 | 05:20 PM
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Default I tried to go to tread but couldn't change to pre 94

I attempted to go to shbox and modify to 93 or 94 buthad no luck my pcm has 4 /21 wire plugs
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Old Feb 2, 2017 | 03:55 PM
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[/http://www.thirdgen.org/forums/ltx-lsx/176800-lt1-wiring-dummies.html

might help
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