just broke my 4l60 can I ...
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#8
the 5.3 /4l60 has the harness hooked up to it still laying on the rolling chassis of the 99 ecsb I parted out .... if you were to look at the pics in my build section my DD was hit and I can see some where wires once were pinched just would feel better to pull it all out one shot and drop in the 5.3 (which I will hopefully use less than a year until I finish rcsb frame)
#9
Custm2500's Rude Friend
iTrader: (17)
If you have a complete set up and your other one might possibly have damage to the harness, then yes swap the whole thing complete. Pulling the core support will make it easier to slide the whole assembly in. It might start, might not do to VATS. If you put the original 4.8 ECU back in it will start but the Engine parameters are different so you should get it flashed to 5.3 specs.