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  #1  
Old 02-15-2012, 09:04 AM
FishFind FishFind is offline
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Can I swap VCM

I have a 1999 s10 and a 1998 blazer. I need to check a VCM. The numbers do not match up on them. What will happen if I take the VCM from the S10 and put it in my blazer that has less miles.
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Old 02-15-2012, 09:20 AM
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MT-2500 MT-2500 is offline
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Re: Can I swap VCM

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Originally Posted by FishFind View Post
I have a 1999 s10 and a 1998 blazer. I need to check a VCM. The numbers do not match up on them. What will happen if I take the VCM from the S10 and put it in my blazer that has less miles.
You will proabley kill both of them.

Why are you wanting to swap?
Would it be to change milage?
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Old 02-15-2012, 09:44 AM
FishFind FishFind is offline
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Re: Can I swap VCM

No I have been trying to figure out a P0740 you can read in other post's that I had. I did all the testing and I am at the point where it says get a new VCM.

I can get a new one for $90 but then I need a relearn on it.
I just did not want it to be good and waste the time and money.

Chevy can test my current VCM for $100 but I dont know what I should do.

I can make my tcc engage with a ground wire and toggle switch. I know that the POS wire is good but it is just not grounding. Either wire or VCM is not telling it to ground.

Should I check something on my brake pedal switch or is that related to the power side of the TCC.
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Old 02-15-2012, 03:40 PM
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Re: Can I swap VCM

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Originally Posted by FishFind View Post
No I have been trying to figure out a P0740 you can read in other post's that I had. I did all the testing and I am at the point where it says get a new VCM.

I can get a new one for $90 but then I need a relearn on it.
I just did not want it to be good and waste the time and money.

Chevy can test my current VCM for $100 but I dont know what I should do.

I can make my tcc engage with a ground wire and toggle switch. I know that the POS wire is good but it is just not grounding. Either wire or VCM is not telling it to ground.

Should I check something on my brake pedal switch or is that related to the power side of the TCC.
Go threw the repair flow chart for that code.
If you get down to needing a VCM then buy one and get it programed for your vechical.
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  #5  
Old 02-15-2012, 06:03 PM
FishFind FishFind is offline
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Re: Can I swap VCM

Yeah that is where I got to. I had a GM tech email me the repair chart and I am at the part where it says get a new VCM.
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