GM Service Manual Online
For 1990-2009 cars only

Gear

Shift SOL 1

Shift SOL 2

1-2-3-4 CL PC SOL 5 N.L.

2-6 CL PC SOL 4 N.L.

3-5 REV CL PC SOL 2 N.H.

LOW REV 4-5-6 CL PC SOL 3 N.H.

Gear Ratio

Park

ON

ON

OFF

OFF

OFF

ON

--

Reverse

ON

OFF

OFF

OFF

ON

ON

2.88

Neutral

ON

ON

OFF

OFF

OFF

ON

--

1st Braking

ON

ON

ON

OFF

OFF

ON

4.484

1st

OFF

ON

ON

OFF

OFF

OFF

4.484

2nd

OFF

ON

ON

ON

OFF

OFF

2.872

3rd

OFF

ON

ON

OFF

ON

OFF

1.842

4th

OFF

ON

ON

OFF

OFF

ON

1.414

5th

OFF

ON

OFF

OFF

ON

ON

1.000

6th

OFF

ON

OFF

ON

OFF

ON

0.742

Effective Final Drive Ratio - 6T70/75 - 2.77/3.16

For shift solenoids 1 and 2, "ON" = Solenoid Energized (Pressurized) "OFF" = Solenoid De-energized (No Pressure).

For pressure control solenoids, "ON" = Pressurized, "OFF" = No Pressure