GM Service Manual Online
For 1990-2009 cars only

Component

Wire Color/Circuit Number*

Pass-Thru Pin and Connector

Resistance at 20°C (68°F)

Resistance at 70°C (158°F)

1-2/3-4 Shift Solenoid Valve

Brown/PF954

D, Main Case

17.5-18.5 ohms

21.0-21.1 ohms

Black/PM748

C, Main Case

2-3 Shift Solenoid Valve

Brown/PF954

D, Main Case

17.5-18.5 ohms

21.0-21.1 ohms

White/PB743

A, Main Case

Band Apply Solenoid Valve

Brown/PF954

D, Main Case

9.5-10.5 ohms

11.5-12.5 ohms

Blue/RF754

B, Main Case

Pressure Control Solenoid Valve

Blue/FY740

B, Adapter Case

3.5-4.6 ohms

4.2-5.5 ohms

Brown/RA741

C, Adapter Case

Torque Convertor Clutch Solenoid Valve

Black/PF854

D, Adapter Case

17.5-18.5 ohms

21.0-21.1 ohms

White/FB738

A , Adapter Case

Transmission Output Shaft Speed Sensors

Blk-Yel/FB703

A, Speed Sensor

2,750-3,150 ohms

3,280-3,770 ohms

Blu-Grn/PU705

B, Speed Sensor

Transmission Fluid Temperature Sensor

Refer to Transmission Fluid Temperature Sensor Specifications .

* All wire colors and circuit numbers are internal to the transmission except for the A/T OSS, which is external.