1974 dover solod state
Highleg
With all wires in place
does not respond to hall or car call
Door operator has no power
If ina is removed from terminal car runs up (nothin is jumping ins to u)

If u is removed from terminal
Door operator works
car levels into floor
Car will not run only pump will run valve wont pic

Eevator seems to be stuck on inspection and up if u is on terminal from the selinoid of lu
Pulled all cards car runs up with no cards in
Swaped all cards
Checked 25v across 24d pc blue cap
Replaced rect board with diodes

This happend after a seal was done the only mistake was wrong jumper to run up from a high voltage valve terminal to u which blew the 6 amp fuse # 4
Have isolated high leg by removing #10 fuse problem still happens
??????????
Any ideas