Abbreviations

The following abbreviations are used in the charts below.

AbbreviationConnector
MAINMain transmission connector

AUX

Auxiliary transmission connector
TISSTransmission input speed sensor
TOSSTransmission output speed sensor
MLPSManual lever position switch (side of transmissino)
SLShift Lever body connector
SIShift lever Indicator (bezel)



TRANS 1 Connector

A121110987654321
B121110987654321

Note: This is the view into the receptacle on controller, not the plug.

CONNECTORROWPINTERMINATIONWIRE COLORFUNCTIONNOTES
TRANS 1A10AUX-02YellowSolenoid SL2
TRANS 1A11MAIN-08White / Blue Solenoid S1
TRANS 1A12MAIN-15Brown / YellowSolenoid S2
TRANS 1A4MAIN-02BrownTemperature Sensor 1 Ground
TRANS 1A5TRANS TISS-1PurpleInput Shaft Speed High
TRANS 1A6TRANS TOSS-1Purple / YellowOutput Shaft Speed High
TRANS 1A7MAIN-13Green / RedSolenoid SLT
TRANS 1A8MAIN-12Green / WhiteSolenoid SLU
TRANS 1A9MAIN-11Yellow / BlueSolenoid SL1
TRANS 1B1MAIN-03BlackSolenoid Ground for SL1Or TRANS 2 B8
TRANS 1B1MAIN-04BlackSolenoid Ground for SLUOr TRANS 2 B8
TRANS 1B1AUX-04BlackSolenoid Ground for SL2Or TRANS 2 B8
TRANS 1B1MAIN-05BlackSolenoid Ground for SLTOr TRANS 2 B8
TRANS 1B10MLPS-7Blue / YellowMLPS Drive
TRANS 1B12FLYING LEADYelow/BlkTransfer Case Calculation
TRANS 1B2MLPS-2Black / WhiteGround for MLPS
TRANS 1B4MAIN-10BrownTemperature Sensor 1
TRANS 1B5TRANS TISS-2PurpleInput Shaft Speed Low
TRANS 1B6TRANS TOSS-2Purple / YellowOutput Shaft Speed Low
TRANS 1B7MLPS-6Blue / OrangeMLPS Park
TRANS 1B8MLPS-1Blue / RedMLPS Reverse
TRANS 1B9MLPS-9Blue / BlackMLPS Neutral

Note that ground wires MAIN-03, MAIN-04, AUX-04, and MAIN-05 can be connected to TRANS 2 B8 instead of TRANS 1 B1, depending on wiring loom build variation.


TRANS 2 Connector

A87654321
B87654321

Note: This is the view into the receptacle on controller, not the plug.

CONNECTORROWPINTERMINATIONWIRE COLORFUNCTIONNOTES
TRANS 2A3FLYING LEADYellow / RedEngine Torque Modulation
TRANS 2A4MAIN-06Blue / WhiteSolenoid SR
TRANS 2A5MAIN-14PurpleSolenoid S4
TRANS 2A6MAIN-07Light BlueSolenoid S3
TRANS 2B8MAIN-03BlackSolenoid Ground for SL1or TRANS 1 B1
TRANS 2B8MAIN-04BlackSolenoid Ground for SLUor TRANS 1 B1
TRANS 2B8AUX-04BlackSolenoid Ground for SL2or TRANS 1 B1
TRANS 2B8MAIN-05BlackSolenoid Ground for SLTor TRANS 1 B1

Note that ground wires MAIN-03, MAIN-04, AUX-04, and MAIN-05 can be connected to TRANS 1 B1 instead of TRANS 2 B8, depending on wiring loom build variation.




ENGINE Connector

A121110987654321
B121110987654321

Note: This is the view into the receptacle on controller, not the plug.

CONNECTOR

ROW

PIN

PIN NAME

FUNCTION

WIRE COLOR

TERMINATION

NOTES

ENGINE

A

1

TACH SIG IN

INPUT RPM SIG

BRN

FLYING LEAD


ENGINE

A

2






ENGINE

A

3






ENGINE

A

4

5V

TPS 5 VOLT SUPPLY

GRN/RED

TPS TERMINAL C


ENGINE

A

5

TPS SIGNAL

TPS SIGNAL

GRN

TPS TERMINAL B


ENGINE

A

6

TPS RETURN

TPS GND

GRN/WHT

TPS TERMINAL A


ENGINE

A

7

5V





ENGINE

A

8

MAP SIGNAL





ENGINE

A

9

MAP RETURN





ENGINE

A

10

ENGINE TEMP





ENGINE

A

11

CAN1 +

CAN BUS HIGH SIGNAL

YEL



ENGINE

A

12

12V


RED



ENGINE

B

1

TOSS OUT REPRO

ADJUSTABLE SPEEDOMETER OUTPUT

PPL/WHT

FLYING LEAD


ENGINE

B

2






ENGINE

B

3

MODE

MODE A/B SWITCH

BLUE/OR

FLYING LEAD


ENGINE

B

4

MODE SWITCH

SWITCH LED ON/OFF


FLYING LEAD


ENGINE

B

5

OD ON/OFF LED

TO LED ON SWITCH

BLU/RED

FLYING LEAD


ENGINE

B

6

OD CANCEL SWITCH

SWITCH INPUT TO ECM

BLU/YEL

FLYING LEAD


ENGINE

B

7

SWITCH SHIFT UP

SHIFT UP

WHT/RED

FLYING LEAD


ENGINE

B

8

SWITCH SHIFT COM

GND OR COMMON

WHT/RED

FLYING LEAD


ENGINE

B

9

SWITCH DOWN

SHIFT DOWN

WHT/BLK

FLYING LEAD


ENGINE

B

10

ENGINE TEMP RETURN





ENGINE

B

11

CAN1 -

CAN BUS LOW SIGNAL




ENGINE

B

12

GND





In addition, the following other connections are assigned.

CONNECTORROWPINTERMINATIONWIRE COLORFUNCTION
ENGINEB5SI-1White / BlueS Mode Indicator
ENGINEB6SL-3Brown / WhiteS Mode
ENGINEB7SL-1Brown / YellowShift Up
ENGINEB8SL-5BlackGround
ENGINEB8SL-7BlackGround
ENGINEB9SL-2Brown / RedShift Down



OPTIONS Connector

A121110987654321
B121110987654321

Note: This is the view into the receptacle on controller, not the plug.

CONNECTOR

ROW

PIN

NAME

FUNCTION

WIRE COLOR

TERMINATION

NOTES

OPTIONS

A

1

12 V

12 VOLT OUT




OPTIONS

A

2

5 V

5 VOLT DISPLAY

YELLOW

DISPLAY PLUG


OPTIONS

A

3

CAN2+

CAN BUS 2 HIGH SIGNAL




OPTIONS

A

4

RS232 TX

DISPLAY

RED

DISPLAY PLUG


OPTIONS

A

5

LIN DATA

COMMUNICATION




OPTIONS

A

6

NO CONNECTION





OPTIONS

A

7

NO CONNECTION





OPTIONS

A

8

NO CONNECTION





OPTIONS

A

9

SOLENOID 12

REVERSE LAMP RELAY



Must drive relay, not lamps directly.

OPTIONS

A

10

SOLENOID 11

NEUTRAL START RELAY



Not available on GM 4L80E, GM 4L60E, GM 4L65E

OPTIONS

A

11

SOLENOID 10





OPTIONS

A

12

SOLENOID 9





OPTIONS

B

1

GND

GND




OPTIONS

B

2

GND

GND DISPLAY

BLACK

DISPLAY PLUG


OPTIONS

B

3

CAN2-

CAN BUS 2 LOW SIGNAL




OPTIONS

B

4

RS232 RX

DISPLAY

GREEN

DISPLAY PLUG


OPTIONS

B

5

CALIBRATION SELECT 1





OPTIONS

B

6

CALIBRATION INDICATOR 1





OPTIONS

B

7

CALIBRATION SELECT 2





OPTIONS

B

8

CALIBRATION INDICATOR 2





OPTIONS

B

9

TCC MANUAL ENGAGE

TURNS ON TCC

BLU/OR

TO SWITCH

SWITCH TO GND

OPTIONS

B

10

TCC LOCKUP INDICATOR

POWERS LED

BLU

TO LED


OPTIONS

B

11

NO CONNECTION





OPTIONS

B

12

NO CONNECTION





In addition, the following other connections are assigned.

CONNECTORROWPINTERMINATIONWIRE COLORFUNCTION
OPTIONSA10FLYING LEADWhite / BrownNeutral relay
OPTIONSA9FLYING LEADWhite / OrangeReverse relay
OPTIONSB10FLYING LEADBlueTCC LED ON 
OPTIONSB5SI-5White / GreenPark Indicator
OPTIONSB6SI-4White / BrownReverse Indicator
OPTIONSB7SI-3White / OrangeNeutral Indicator
OPTIONSB8SI-2White / BlackD Mode Indicator
OPTIONSB9FLYING LEADBlue/OrangeTCC Manual Mode