I bought a 2002 corvette coupe and it had electrical problem from the start. Last owner converted the automatic to a 6spd. I bought the car off a used car lot and the will not take the car back so my question is how much of a problem is this car going to be can it be fixed and how much is involved to create this. So far the 1 issue we are down to is it wont reconize the clutch sensor switch. At first their were 12 codes so I dont even know how the car made it through inspection. Ant help would be greatly appricated.
Thanks ragtops1:

 

Without a list of what codes you are getting, I'm not even sure how anyone car begin to help you.

 

First off, did you know about the conversion when you bought it or did you think it came from the factory as a MN6?

If you didn't know I'd take it back and offer them a chance to avoid answering "official" questions about why the car doesn't match the VIN.

If you did know you are probably SOL. Finding electrical problems derived from a conversion like this might take about five minutes of you may never find the problem. I've never done a conversion like this but it is possible that it isn't an electrical problem. Wouldn't the computer need to be reflashed and told to look for the clutch sensor?

Good Luck...

 

I don't know how Florida works, but in Pennsylvania you have 10 days to return the can by law.

 

Lets start with where you live and filling out your profile.

This will make it easier for us to help you.

Having 12 codes on the DIC does not mean a lot as they could be codes that occured in the past and denoted by "H" at the end of the code.

A typical vehicle inspection will not pick up on past codes only current codes if they are specific to the inspection process, emissions, etc ...

The conversion of an automatuc to a six speed is not that difficult and requires very little wiring work depending on the method used to the conversion.

Here is the wiring info:

Transmission Conversion Wiring

Crank Sensor
Purple & Yellow wire from crank sensor (clutch pedal) C146.

• Yellow to C146 (Position “C”)
• Purple to C146 (Position “D”)




Back Up Lights
Working, no additional connections needed



Cruise Control
From cruise control switch on clutch pedal

• Gray wire from switch to C102 (Position “E”)
• Gray Wire from C150 (Position “S”) to C102 (Position “E”)
• Gray Wire from (PCM-Blue / Position #35) to C150 (Position “S”)

Short Cut From Switch To C102 / C102 to PCM Blue / Pin #35. Pink Wire to Ignition (Pink)Wire.


Reverse Lock-Out
Located in engine compartment by battery

C142 Position “T” (Light Green Wire) to PCM RED / Pin #44)

C140 Position “E” (Pink Wire)


Skip Shift
Pink Wire (C140 Position “E”) Pink Wire (C140 Position “E”) to Fuse 19 (F2 / C3)

Gray Wire (C142 Position “A”) to PCM BLUE pin # 79


Tony

 

Why would it not match the VIN#?

Not a big deal to sort this out just check out the post above.

 

I helped a friend with a conversion like this. The PCM does need to be flashed with an MN6 program. Otherwise the computer thinks its an auto and all the sensors that were wired up, like the clutch sensor won't be picked up.

 

Hey guys thanks for all of the input. Sofar the car has been at a chevy dealership the expenses are being picked up by the dealer that sold the car to me. I live in md and they say they didnt know they bought the car from an action. Right now the only thing left is to give it the wiring harness so that the car see the clutch sensor this will also enable the cruise control to work. It has taken 5 weeks because the tech said I dont know whats been done and not done so I going to start at the beginning and go threw a check list fixing what needs to be fixed.

After this is done would the car be worth keeping or get rid of it and get another that hsa not gone throught so much frankinstien work.

Everything has been real helpful thanks to everyone

 

When I bought mine one that really looked nice had no plates, so I ask where did you get the car? The car lot guy said an auction in Las Vegas. I walked away.

 

It's the RPO codes in the glove box or rear cubby hole that tell whether or not it's an auto or manual;

MM6 - Manual Standard
M12 - Manual Z06
M30 - Automatic

 

And you are correct, I just quoted yours to let everyone know that its the RPO codes.

 

Tony the info you sent help a great deal and over the holidays the car was fixed. Im not getting any error codes and things are runnig fine. I wasnt able to get the cruise control working but that is the only thing wrong. not to bad.
Thanks again for your help
Bill R

 

Send me a PM and I'll send you my phone number so that we can fix the cruise control.

Tony

 

I wouldnt worry about keeping the car once you get all the lil problems fixed and it sounds like you are!

 

hey Tony what do you mean a PM I would like to talk with you by phone or email what ever is easyest.

Thanks again
Bill

 

PM stands for Private Message. If you click on his forum ID on the left "ajg1915", one of the options will be to send a private message (PM).

 

Hi Bill just sent you my email and mobile number.


Thanks.