Gearhead-efi information link for the 16197427 with 4L60E transmission: http://www.gearhead-efi.com/Fuel-Inj...Information-0D

Gearhead-efi information link for the 16197427 with 4L80E transmission: http://www.gearhead-efi.com/Fuel-Inj...Information-31

Definition file Notes:
$E6 & $0D are for the 4L60E
$0E & $31 are for the 4L80E
$31 is also for Manual Transmission