LS1TECH - Camaro and Firebird Forum Discussion

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

V6 to V8 swap

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Old Aug 14, 2011 | 06:16 PM
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Is that wire getting 12V out of the PCM?
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Old Aug 14, 2011 | 07:39 PM
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I thought i had 12v there but i only have .5v everything else on that connector has the correct voltage though.
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Old Aug 14, 2011 | 10:02 PM
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Well that wire should be 12v. Check it to make sure it's not shorted/broken.
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Old Aug 14, 2011 | 10:19 PM
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Originally Posted by 3.8blackmaro
We put a 93 TA Lt1 into a 95 v6 Camaro body. Should just be plug and play. The only issue we ran into is that we had to put a switch in the fuel pump relay circuit because for some reason it didn't want to send power to the relay.
found this in a different thread maybe some help idk
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Old Aug 14, 2011 | 10:21 PM
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id like to fix the circuit instead of just bypass it tho
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Old Aug 15, 2011 | 02:24 PM
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nothing is visibly wrong with the wire. It has .5 ohms of resistance as well on it.
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Old Aug 15, 2011 | 02:44 PM
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.2 ohms would be ideal, are the wires in the bulk head loose at all? And you said all fuses are good and nothing is blowing? 12v should be there for 2 sec when key is turned then it should drop, it only stays at 12v while car is running. i have had to replace the bulk head in the past due to over heating and wires shorting out.
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Old Aug 15, 2011 | 02:47 PM
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ill run through everything again. What do you mean by bulkhead?
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Old Aug 15, 2011 | 03:59 PM
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well i checked the voltage coming out of the pcm and it is only .08 volts same at the connector. Also i cannot jump the pump anymore.
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Old Aug 15, 2011 | 04:52 PM
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scratch the part about not being able to jump the pump. battery was low.
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Old Aug 15, 2011 | 07:22 PM
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checked the red connector on the pcm. Im not getting sufficient voltage at the fuel pump raley controll or the fuel enable. So does that mean the theft deterent module might have something to do with it?
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Old Aug 15, 2011 | 09:41 PM
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If i jump the prime connector should the car be able to start?
Last edited by shix; Aug 18, 2011 at 01:34 PM.
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Old Aug 18, 2011 | 02:33 PM
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Anyone?
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Old Aug 18, 2011 | 04:17 PM
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Yes, but that is not the correct way. I'd break down all the wiring..might be a short.
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Old Aug 18, 2011 | 04:39 PM
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i was just curious if i could do that to make sure the rest of the system is working. Where can i get wiring diagrams for both a 94 lt1 car and 96 V6 car?
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Old Aug 18, 2011 | 06:11 PM
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I thought that if the pcm wasnt tuned to have vats disabled it wont start unless you bypass it right? Wouldnt that be your issue in itself is that the vats is preventing you from starting the car?
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Old Aug 18, 2011 | 07:44 PM
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but why would it be a problem i didnt change anything on the body of the car. Just changed my engine harness and pcm and repinned the harness to match the existing harness in the car
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Old Aug 18, 2011 | 10:30 PM
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VATS wont let the Injectors Pulse..
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Old Aug 19, 2011 | 11:12 AM
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I just don't understand why the VATS from the 96 won't work with the 94 pcm
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Old Aug 19, 2011 | 02:12 PM
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The little Key Chip is registering differently in the PCM's..96 is set for one and the 94 is set for the other.
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