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

Wiring diagram needed

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Old 05-01-2009, 01:34 PM
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Default Wiring diagram needed

im looking for the ECM wiring diagram for a 95 z28. if anyone knows a site or something i can look at would be great.

swapping that motor into my 84 vette and need to knwo what hooks up to what.
Old 05-01-2009, 01:41 PM
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Originally Posted by RPD_Vette84
im looking for the ECM wiring diagram for a 95 z28. if anyone knows a site or something i can look at would be great.

swapping that motor into my 84 vette and need to knwo what hooks up to what.
Ask and you shall receive...

http://shbox.com/1/schematics_wiring.html

The very first link is a clickable reference. Very helpful.

Last edited by ss.slp.ls1; 05-01-2009 at 01:46 PM.
Old 05-01-2009, 02:16 PM
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There is also more pinout info lower on the page in the link above. [also a link to it in my sig]
Old 05-01-2009, 02:35 PM
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cool thanx guys.

dude SS do you like search my name to see what i post?

deciding to probably try and finish my vette. i jsut ordered the pulley and mounted the motor yesterday. just need o2's, maf, throttle body, wiring and hoses
Old 05-01-2009, 02:46 PM
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i kinda went through that site and cant couldnt find what im lookin for. im tryin to find what the wires from the ECm do and where i have to add power,ground and ignition.
Old 05-01-2009, 03:10 PM
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its there, about 2/3rds of the way down. he has a series of images for each connector on the pcm. and you may want to bookmark shbox, it is a great reference page
Old 05-01-2009, 03:13 PM
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yeah ive found that site a couple times before since ive owned a couple lt1's. guess ill have to look harder if not my buddy said he can probably get me the print out off of alldata
Old 05-01-2009, 03:20 PM
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Originally Posted by RPD_Vette84
i kinda went through that site and cant couldnt find what im lookin for. im tryin to find what the wires from the ECm do and where i have to add power,ground and ignition.
Not sure why you are not seeing this [items 49, 50]:

http://shbox.com/1/4th_gen_tech2.html#1995_pcm_pinouts

http://shbox.com/1/4th_gen_tech2.html#1995_pcm_wiring
Old 05-01-2009, 03:23 PM
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Originally Posted by RPD_Vette84
cool thanx guys.

dude SS do you like search my name to see what i post?

deciding to probably try and finish my vette. i jsut ordered the pulley and mounted the motor yesterday. just need o2's, maf, throttle body, wiring and hoses
No, I just see your posts on Tech like everyone else. I am usually only in two forums, Western section and LT1/LT4 Tech.

I have a TB, but it doesn't have the lower coolant passage portion or the top plate. So you'd be better off getting a complete throttle body.

I'll send you a pm with info for finding parts.
Old 05-01-2009, 03:58 PM
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well i have a throttle body that came with the motor. i just need a 93 throttle body cause it has the kickdown bracket for the trans.



but i need one that has this bracket



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