ok guys i stop arm part issue i have a 7 series stop are not working i have power ground and trigger all are good motor is good so i think its the module so i get a new module and now it just runs continues in one direction now the module i took out is black and the one i put in is gray part number 007127 i opened up a brand new smi 7 series box and it had the gray module with the same part number so i am wondering because this box is factory or came with the bus when prchased its different is there another part number out there i just can find?????? there is no part number on the bad module