GM Service Manual Online
For 1990-2009 cars only

AT Inline 20-way Connector, Engine Side


Object Number: 876793  Size: CH

Connector Part Information

    • 15305235
    • 20-Way F Micro-Pack 100W Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

1-2 Shift Solenoid Valve Control

B

YEL/BLK

1223

2-3 Shift Solenoid Valve Control

C

RED/BLK

1228

PC Solenoid Valve High Control

D

LT BLU/WHT

1229

PC Solenoid Valve Low Control

E

PNK

839

Ignition 1 Voltage

F

BLK/WHT

771

Transmission Range Signal A

G

YEL

772

Transmission Range Signal B

H

GRY

773

Transmission Range Signal C

J

WHT

776

Transmission Range Signal P

K

BLK/WHT

451

Ground

L

YEL/BLK

1227

TFT Sensor Signal

M

BLK

2762

Low Reference

N-R

--

--

Not Used

S

RED/BLK

1230

AT ISS High Signal

T

BRN

418

TCC PWM Solenoid Valve Control

U

YEL

657

TCC Release Switch Signal

V

DK BLU/WHT

1231

AT ISS Low Signal

W

--

--

Not Used

AT Inline 20-way Connector, Transmission Side


Object Number: 553616  Size: CH

Connector Part Information

    • 12176566
    • 20-Way M Micro-Pack 100W Lock Assist/Seal (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1222

1-2 Shift Solenoid Valve Control

B

YEL

1223

2-3 Shift Solenoid Valve Control

C

PPL

1228

PC Solenoid Valve High Control

D

LT BLU

1229

PC Solenoid Valve Low Control

E

RED

839

Ignition 1 Voltage

F

RED/BLK

771

Transmission Range Signal A

G

DK GRN/WHT

772

Transmission Range Signal B

H

YEL/BLK

773

Transmission Range Signal C

J

GRY/WHT

776

Transmission Range Signal P

K

BLK/WHT

1050

Ground

L

BRN

1227

TFT Sensor Signal

M

GRY

452

Low Reference

N-R

--

--

Not Used

S

BLK

1230

AT ISS High Signal

T

TAN

418

TCC PWM Solenoid Valve Control

U

WHT

1804

TCC Release Switch Signal

V

DK GRN

1231

AT ISS Low Signal

W

--

--

Not Used