A cordial greeting, I have a Ford van that does not activate the glasses, this is a common fault in these vehicles, check the contacts that raise and lower the glasses, however they are in good condition, dismantle the glove box and check the module of glass and found only a broken fuse, and replace it but nothing happened, I have been told that the auxiliary other vehicles this affects the computer and is uncontrolled is this true? and what can be done to solve this problem

check if there is voltage to the module and output voltage when activating a glass