Allison tran key pad issues

[iamalienru]

The shift pad to my trans will not go into drive or light up it will light up in reverse and neutral it will run in reverse no drive someone must have had this problem i have disconnected all of negative leads to the batteries to reset things no luck any help would be appreciated

[iamalienru]

Thank you i will contact him

[wolfe10]

Contact John-- this is what he does for a living-- repairing Allison ECU's and shift pads:

https://www.transmissioninstruments.com/