Please enable JavaScript to view this site.

MaxxECU online help

Support for GM 4L60E/4L65E and 4L80E/4L85E auto gearboxes.

 

 

Wiring to make this gearbox work:

 

Inputs

Speedsensor drive shaft RPM, VR-sensor.

Speedsensor input shaft RPM, VR-sensor, optional to calculate transmission slip.

Auto transmission gear selector A.

Auto transmission gear selector B.

Auto transmission gear selector C.

Linepressure sensor on analog input, recommended, 4L80E does not have a stock pressure sensor).

Brake pedal/stop light active.

Transmission DOWN shift.

Transmission UP shift.

 

 

Outputs

Transmission, shift solenoid A.

Transmission, shift solenoid B.

Transmission, line pressure solenoid.

Transmission, 4L60E 3-2 acc solenoid, only on 4L60.

Transmission, TCC/lockup solenoid.

 

 

Wirings

4L60E pin

Description

Suggested MaxxECU connection

A

Solenoid A

GPO x

B

Solenoid B

GPO x

C

Pressure control solenoid High

+12V

D

Pressure control switched GND

GPO x

E

+12V

+12V

L

Temp sensor

AIN x

M

Sensor GND

Sensor GND

N

Pressure switch A

DIN x

P

Pressure switch C

DIN x

R

Pressure switch B

DIN x

S

3-2 solenoid

GPO x

T

TCC lockup

GPO x

 

 

4L80E pin

Description

Suggested MaxxECU connection

A

Solenoid A

GPO x

B

Solenoid B

GPO x

C

Pressure control solenoid High

+12V

D

Pressure control switched GND

GPO x

E

+12V

+12V

L

Temp sensor

AIN x

M

Sensor GND

Sensor GND

N

Pressure switch A

DIN x

P

Pressure switch C

DIN x

R

Pressure switch B

DIN x

S

TCC lockup

GPO x

 

 

4L80 pinout

 

clip0165

 

 

4L60 pinout

clip0166

 

MTune Transmission control.