1991 corvette

[al203]

looking for 1991 corvette manual files for TunerPro

[space387]

If you go to the GM EFI systems page in this forum you will see there is a subforum of hosted bin and definition files. Because there are alot of options here are the 3 main routs.

Here is the stock breakdown of the 7277 ecu from your C4 (http://www.gearhead-efi.com/Fuel-Injection/showthread.php?394-1227727-1227730-ECM-Information-8D)
This is the S_AUJP thread with up to V4 (http://www.gearhead-efi.com/Fuel-Injection/showthread.php?4170-1227727-1227730-1227749-v-S_AUJP)
Here is the V5 of the S_AUJP definitions (https://www.thirdgen.org/forums/diy-prom/713188-s_aujp-v5-now-available.html) - I use this for my 90 C4