Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

95' engine in a 96'

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Old Mar 15, 2010 | 06:21 PM
  #1  
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95' engine in a 96'

How bad is this to swap and what will I have to do? I want to keep OBD1 with the engine and forget about the OBD2
Old Mar 15, 2010 | 06:29 PM
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What computer and engine harnesses do you have at your disposal?
Old Mar 15, 2010 | 07:48 PM
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I have my entire 95' camaro that has been wreck and want to put it in the 96' which has the harness and PCM. So i have both harnesses and PCM's. I already have a cable for the 95' so I would rather have the OBD1 setup but i'm looking for opinions also. Most of what I found while searching is guys taking OBD2 cars and putting an OBD1 PCM in them. I guess for tuning purposes.

Last edited by deerslayinrenek; Mar 15, 2010 at 09:56 PM.
Old Mar 16, 2010 | 09:26 AM
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Shouldn't be much of a difference, if you're using the '96 harness, you won't use the crank position sensor connector on the timing cover. Other than that, the engines are the same.
Old Mar 16, 2010 | 06:03 PM
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Originally Posted by 94ZRagtop
Shouldn't be much of a difference, if you're using the '96 harness, you won't use the crank position sensor connector on the timing cover. Other than that, the engines are the same.
Could I use the 95' harness and PCM or would I have to use the 96' harness with the 95' PCM?
Old Mar 16, 2010 | 08:06 PM
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I would use the '95 PCM and code.. The '96 harness will have some extra connectors crank position sensor, rear O2's, EVAP vacuum switch sensor, extra pink wire to ICM, and some of the wire colors are different. Both '95 and '96 will have the same OBD2 ALDL connector even though the '95 is OBD1. I would use the '95 harness to keep things clean for future problems or owners. But it's some extra work to replace the harness, both will work w/o modification it's your call...
Old Mar 17, 2010 | 09:36 PM
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thanks everyone for the help. Other opinions are welcome as well
Old Mar 17, 2010 | 10:25 PM
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If you run your 95 PCM, you have to swap your 95 knock sensor into the 96 engine. The 96-97 knock sensor has a different resistance than the 93-95 sensor, and iwll cuase a trouble code if you don't change it.
Old Mar 17, 2010 | 11:27 PM
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Originally Posted by Injuneer
If you run your 95 PCM, you have to swap your 95 knock sensor into the 96 engine. The 96-97 knock sensor has a different resistance than the 93-95 sensor, and iwll cuase a trouble code if you don't change it.
I have a 95' engine,harness, and PCM. I want to put it in the 96' chassis

I also will have the 96' harness and PCM
Old Mar 18, 2010 | 05:24 AM
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If you put the 95 harness in the 96 chassis, there may be some mismatches on the body connectors. Check Shoebox's connector face diagrams for differences.

http://shbox.com/1/harness_connector_faces.htm
Old Mar 18, 2010 | 04:07 PM
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So would it be best to just use the 96' Harness in the 96 chassis with the 95' engine? Then I should just have a few extra plugs that I wont need. Correct?
Old Mar 19, 2010 | 06:57 AM
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Originally Posted by deerslayinrenek
So would it be best to just use the 96' Harness in the 96 chassis with the 95' engine? Then I should just have a few extra plugs that I wont need. Correct?
Best as far as matching up with the chassis wiring. Using the 95 PCM with the 96 engine harness is not a problem as long as you use the matching knock sensor. The 96 harness also has a single connector for the coil.
Old Mar 20, 2010 | 10:03 PM
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So I would have to use the 95' Knock sensor to match the 95 PCM correct?
Old Mar 21, 2010 | 08:01 AM
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Yes. 93-95 use the 4Kohm sensor, 96-97 use the 100Kohm sensor.
Old Mar 22, 2010 | 05:39 PM
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Originally Posted by shoebox
The 96 harness also has a single connector for the coil.
So does this mean That I would need to use a 96-97 Coil?



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