454 TBI and 4L80 from 95 burb into 69 van

[AzDon]

Thanks for the schematics, Dave!...…….These are the correct diagrams for a 7427 ECM and 4L80?...… This is too cool! I should be able to make this work!

[dave w]

Thanks for the schematics, Dave!...…….These are the correct diagrams for a 7427 ECM and 4L80?...… This is too cool! I should be able to make this work!

Actually the 1995 schematics posted above are for BOTH 5.7 liter and 7.4 liter engines with 16197427 computers.

dave w