GM Service Manual Online
For 1990-2009 cars only
Table 1: Adapter Case
Table 2: Automatic Transmission Control Indicator
Table 3: Automatic Transmission Range Switch
Table 4: Automatic Transmission Winter Mode Switch
Table 5: Main Case
Table 6: Vehicle Speed Sensor (VSS) Assembly
Table 7: Transmission Control Module (TCM)

Adapter Case


Object Number: 194413  Size: CH

Connector Part Information

    • ZPF 4-1
    • 4 Way F

Pin

Wire Color

Circuit No.

Function

A

BLK/YEL

FB738

Torque convertor clutch (TCC) solenoid control signal

B

BLK/PPL

FY740

Pressure control solenoid (PCS) valve signal HI

C

GRY/RED

RA741

Pressure control solenoid (PCS) valve signal LO

D

BLU/BLK

PF854

12 V TCM power relay signal for torque convertor clutch (TCC) solenoid valve

Automatic Transmission Control Indicator


Object Number: 193867  Size: CH

Connector Part Information

    • ZF 12-3
    • 12 Way F (BLK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BLK

F970

G103

3-4

--

--

Not Used

5

BRN

X90

Fused ignition feed

6

GRY/GRN

RU500

Fused battery feed w/ park lamp relay ON

7

GRY/YEL

RB70

Dimming control signal

8

BLK/BLU

FP400

Trans range switch input A

9

BLK/GRN

FU400

Trans range switch input B

10

BLK/YEL

FB400

Trans range switch input C

11

GRY

R400

Trans range switch input P

12

--

--

Not Used

Automatic Transmission Range Switch


Object Number: 193694  Size: CH

Connector Part Information

    • ZPF 8-3
    • 8 Way F

Pin

Wire Color

Circuit No.

Function

A

BLK/BLU

FP733

Trans range switch output A

B

BLK/GRN

FU726

Trans range switch output B

C

BLK/YEL

FB708

Trans range switch output C

D

BRN

X756

Fused ignition feed

E

BLK/RED

FA501

P/N switch output to starter solenoid

F

WHT/BLK

MF757

R signal to rear view mirror

G

GRY

R733

Trans range switch output P

H

BLK/RED

FA500

Ignition switch start (position III) signal

Automatic Transmission Winter Mode Switch


Object Number: 194368  Size: CH

Connector Part Information

    • ZPM 4-50
    • 4 Way M

Pin

Wire Color

Circuit No.

Function

A

GRN

U102

Winter mode switch output signal

B

BLK

F960

G103

C

BRN/GRN

XU100

3rd gear indicator control

D

BRN

X14

Fused ignition feed

Main Case


Object Number: 194236  Size: CH

Connector Part Information

    • 12199508
    • ASM 7F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLU/YEL

PB743

2-3 shift solenoid control

B

GRY/BLK

RF745

Band apply solenoid control

C

BLU/WHT

PM748

1-2 and 3-4 shift solenoid control

D

BLU/BLK

PF954

12 V TCM power relay signal for solenoids

E

BRN/GRN

XU716

TFT sensor return

F

BLK/BLU

FP722

5 V reference signal for TFT sensor

Vehicle Speed Sensor (VSS) Assembly


Object Number: 193718  Size: CH

Connector Part Information

ZPF 2-2

Pin

Wire Color

Circuit No.

Function

1

BLK/YEL

FB703

VSS Signal HI

2

BLU/GRN

PU705

VSS Signal LO

Transmission Control Module (TCM)


Object Number: 415932  Size: CF

Connector Part Information

    • ZF 88-3
    • 88 Way F Bosch

Pin

Wire Color

Circuit No.

Function

1-3

--

--

Not Used

4

GRY/BLK

RF745

Band apply solenoid control

5

GRY/RED

RA741

Pressure control solenoid (PCS) LO signal

6

BLK

F819

Ground to G103

7

--

--

Not Used

8

BLK/GRN

FU4

Trans range switch input B

9

GRY

R800

Trans range switch input P

11

--

--

Not Used

12

BLU

P100

Sport mode switch input

13

GRN

U102

Winter mode switch input

14

BLU/GRN

PU714

VSS LO signal

15

BLK

S40

VSS shielded ground

16

--

--

Not Used

17

BLK/YEL

FB800

Sport mode and transmission malfunction indicator control (2nd design)

18-20

--

--

Not Used

21

BRN/GRN

XU716

TFT sensor signal return

22

BLK/BLU

FP722

TFT sensor (5V ref) signal

23-24

--

--

Not Used

25

GRY

R133

Transmission service indicator control (1st design)

25

--

--

Not Used (2nd design)

26

RED

A828

Fused battery feed

27

BRN/GRN

XU100

3rd gear indicator control

28

BLK

F836

Ground to G103

29

--

--

Not Used

30

BLU/WHT

PM748

1-2 and 3-4 shift solenoid control

31

--

--

Not Used

32

BLK/YEL

FB738

TCC solenoid control

33

BLU/YEL

PB743

2-3 shift solenoid control

34-35

--

--

Not Used

36

BLK/BLU

FP500

Trans range switch input A

37

BLK/YEL

FB709

Trans range switch input C

38-41

--

--

Not Used

42

BLK/YEL

FB720

VSS HI signal

43-48

--

--

Not Used

49

BRN/GRY

XR888

CAN interface LO

50

BRN/PPL

XY888

CAN interface HI

51

BRN/WHT

XM12

Serial data (KW2000)

52

BLK/PPL

FY740

Pressure control solenoid (PCS) valve HI signal

53

BLU/BLK

PF754

Power relay (12V ref) output

54

BRN

X837

Fused ignition feed

55-88

--

--

Not Used