Another problem for us on trans brake-HELP

Yes-were following the voltage path-I don't know if the 11.26 is enough to activate the solenoid cause WE CAN'T GET THE OWNER JOE TO ANSWER HIS PHONE,Going on 63 calls as of now,I know he's answering his phone cause sometimes its busy,We had 12.5 at the batt terminals so were checking voltage as we speak--Steve