C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Mar 8, 2006 | 07:21 PM
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I am trying to install my new chip by Alvin and can't figure out how the ECU comes apart. I have tried to search because I know this was discussed about a month ago but can't find it. Can anyone help me out.

Thanks

Fred
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Old Mar 8, 2006 | 07:42 PM
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Originally Posted by fredk
I am trying to install my new chip by Alvin and can't figure out how the ECU comes apart. I have tried to search because I know this was discussed about a month ago but can't find it. Can anyone help me out.

Thanks

Fred
There are three 10mm nuts that hold the PCM/ECM (computer) to the rack above the battery. Once you get these nuts off, flip the computer slowly upside down. There are 4 little torx screws you need to take out,a nd the chip will be right underneath that. Then, there are 2 tabs that unlock the chip from the motherboard. Slowly undo them then the chip lifts up. Take alvins chip and plug it into the chip. The chip will be at a 90 degree angle with the top going into the computer towards the motor(I hope thismakes sense), Alvins chip will have the factory chip plug plugged into it on the and then Alvins chip will plug into the factory slot. Does this help?
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Old Mar 9, 2006 | 06:39 PM
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Thanks alot Steve, you saved my *** again. I was working on the other end of the ECU.

Thanks again

Fred
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Old Mar 9, 2006 | 08:19 PM
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Hi,

I sent you some install instructions last night via email. If you have any more questions please give me a call.
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Old Mar 9, 2006 | 08:25 PM
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Alvin,

Can you read EASE scan files? I need to send you some for a friend.

John
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Old Mar 9, 2006 | 08:41 PM
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yeah, give me a few hours.. I'm still working off emails from earlier today.
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Old Mar 13, 2006 | 05:00 PM
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Thanks Alvin, it was a piece of cake. A picture is worth a thousand words.

Fred
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