GM Service Manual Online
For 1990-2009 cars only

Component Resistance Chart

Component

Wire Color

Pass-Thru Pin

Resistance @ 20°C (68°F)

Circuit #

1-2 Shift Solenoid Valve (1-2 SS Valve)

Red

E*

20-40ohms

1149A

Lt Green

A

1222

2-3 Shift Solenoid Valve (2-3 SS Valve)

Red

*

20-40ohms

1149B

Yellow

B

1223

Pressure Control Solenoid Valve (PC Sol. Valve)

Purple

C

3.5-8ohms

1228

Lt Blue

D

1229

TCC Solenoid Valve (TCC Sol. Valve)

Red

E*

10-15ohms

1149C

Black

S

1350

* Spliced Internally to Pin E