View Full Version : Will a 94 lt1 engine harness and pcm connect to a 93 car
b94z28
05-12-2013, 09:41 PM
Any help will be apriciated...just need to know if i can swap it and it correspond with rest of car...
93formulalt1
05-12-2013, 09:44 PM
You may be able to swap the harness, add the necessary parts, and make it work, but the '93 is Speed Density, the '94+ is MAF. I have a '93 parts car, if you are looking for an ECM, let me know, I will sell you mine. If you have a '94 PCM, I'd be willing to trade.
b94z28
05-12-2013, 09:48 PM
Im trying to get rid of the 93 pcm ..make a long story short. I t56 swaped it and already have software for 94 pcm.was just trying to avoid getting new cables and tuning software.
b94z28
05-15-2013, 12:46 AM
The 94 harness and pcm works in 93.only downfall is cant read pcm throgh diagnostic port
Madman337
05-15-2013, 12:49 AM
I have wondered about this too since I do have a complete parts car that is a 97, 97 would probably be a different animal tho from the 94?
MeanTA
05-15-2013, 01:12 AM
I have wondered about this too since I do have a complete parts car that is a 97, 97 would probably be a different animal tho from the 94?
Ya 97 is obd2. 94 is obd1.... More thanks would need to be changed like the timing cover.
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