GM Service Manual Online
For 1990-2009 cars only

Shift Solenoid Valve State and Gear Ratio, 4T80-E, created for '97 Gcar

Gear Range

1-2 Shift Soleniod

2-3 Shift Solenoid

Ratio

First

ON

OFF

2.87-3.11

Second

OFF

OFF

1.54-1.71

Third

OFF

ON

0.95-1.05

Fourth

ON

ON

0.65-0.71

Reverse

ON

OFF

2.02-2.23