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

lt1 swap no start.

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Old 05-25-2009, 05:30 PM
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Default lt1 swap no start.

ok so i have a 95 firebird with a 3.4 i just got done swapping in a 97 ws6 lt1 i change over everything but the interior harness. i am not get fuel any advice on where to start?
Old 05-25-2009, 05:38 PM
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i just went out there and had my brother spray some starting fluid and we the motor still didnt start so i dont think im getting spark either.
Old 05-25-2009, 05:49 PM
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check the plugs where the engine harness connects into the interior firebird harness, the plugs are exactly the same but look at the individual wires on each plug and make sure that the wires are the same on each side of each plug.

i had this exact problem when i hooked a 93 lt1 harness into my 96 firebird interior harness. i had to swap around like 3 or so wires around. ill see if i can get ya the pin outs for those plugs in the each year. the power feed to the pcm wasnt right so my engine would turn over but have no fuel or ign. since the comp was dead
Old 05-25-2009, 06:01 PM
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got the fuel pump to come on by jumping pins 30 and 87 still no start
Old 05-25-2009, 06:03 PM
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http://shbox.com/1/harness_connector_faces.htm

compare 210, 220, 230 for differences between 95 and 97
Old 05-25-2009, 06:31 PM
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Originally Posted by joshprescotttttt5
http://shbox.com/1/harness_connector_faces.htm

compare 210, 220, 230 for differences between 95 and 97
im not good when it comes to wiring do you think you could look at the pin out and tell me what might need to be changed it would be greatly appreciated
Old 05-26-2009, 12:00 PM
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according to t/a creation i have to change the whole dash harness please tell me this is not true

Last edited by 95firebird5.7; 05-26-2009 at 12:11 PM.
Old 05-26-2009, 09:06 PM
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Just a question, I dont know anything about the anti-theft stuff om the v6's, but is the resistor value on the key fob the same on all f-bodies? Wondering if you need to have vats tuned out if you havent already.
Old 05-27-2009, 11:00 AM
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Originally Posted by Smokeshow_2006
Just a question, I dont know anything about the anti-theft stuff om the v6's, but is the resistor value on the key fob the same on all f-bodies? Wondering if you need to have vats tuned out if you havent already.
yah i got it by pass.



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