i need help. i replaced both headlight actuators the lights go up real slow an when i turn the lights off they wont go down. i tried the bypass valve an nothing. second problem i replaced the window actuator the window went up an down about 3 or 4 times.i set the window stops and now it wont go up or down.the spring was already loaded. please help me thanks.the motor stills works.i can hear it turning. forgot mention its on a 81