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If you're swapping a 4L80E to replace a 4L60E, it's not a simple drop in swap. You're looking at a lot of repinning the ECM harness connectors, and that in and of itself is going to take more explanation than what can be feasibly done in the answer text here. There may also be some ECM reflashing required... that part, I'm not 100% certain about.. when I did the 4L80E swap into my 97 Blazer, I also swapped in a 350 which had already been flashed for the 4L80E. This isn't an uncommon swap, and the diagrams are readily available online, as are tips on various forums from those who've done this swap.
What else can I help you with?
Will a 95 Chevy z71 transmission fit a 97 Chevy z71?
It is possible to change them out! If your 95 has a 4L60E or 4L80E the plugs are different from a 7000R4, 350 Turbo, or a 400 Turbo. I have a few questions for you! First of all is both trucks 4x4. And what is the models of both transmissions? If you can answer these questions I can help you out a little more. Good luck
How to fix Security system 1999 Chevy lumina?
1999 Chevy lumina, won't start, security light comes on ,can jump the starter but motor will only run for a short time , strong battery ? tried different keys , no good ? help
Where is the Flasher relay on a 1999 Chevrolet Cavalier?
I need to know where I can find where the Flasher relay goes in my 1999 Chevy Cavalier. I can't find where it goes please help me. Jennifer
1999 Chevy Silverado blower location?
Right under your gloves box and it has a black case around it. Hope that was some help
How do you change an alternator in 1999 Chevy prism?
Remove wiring harnesses, unbolt it, remove from engine. Install new alternator, apply tension using bar, bolt it, hookup wiring harnesses.
Why will your 1999 Chevy silverado 4.3 not start in rain changed dist cap and rotar also coilwires and plugs. please help?
You may have a faulty sensor in the car. There is a sensor that helps the computer in the car figure out the proper fuel/ air ratio, depending on the outside conditions.
Where is the starter located fr a Chevy Suburban 1999 1500?
it is almost behaind the right front wheel attached to the engine .. hope this will help.
Why would a 2002 Chevy blazer check engine light came on 41k miles?
The computer has detected a fault with the emissions controls. Have the computer scanned and this will help to find the defective part or parts.
What does the service engine light mean on a Chevy Corsica?
It means the computer has detected a problem with the emissions system. It could be a number of things. Have the computer scanned to recover the code. This will help you determine what the problem may be.
Your 1999 Chevy Metro has frequently started not accepting gas why and help?
Have a qualified mechanic check the gas tank vent pipe. It may be plugged ie. rust.
1999 Chevy silverado has a high pitched whine from engine when idle or using ac or normal about town or highway operations please help?
could be alternator. could be alternator.
What websites have computer help online?
Computer hope and computer help both are websites where you can get help with your computer online. Myphonesupport is another site similar to the mentioned.
