Williams Base Hit (Williams, 1967) Upper level lights blink

[Jonas 11]

Hi I have a Williams Base hit machine the upper level we’re home run ball and target there is 2 light bulbs #44 every time there is a hit when running man moves lights blink any suggestion

 

[pinballdaveh]

Hi I have a Williams Base hit machine the upper level we’re home run ball and target there is 2 light bulbs #44 every time there is a hit when running man moves lights blink any suggestion

The schematic doesn’t show any lamps controlled by the running man unit cams.
The sockets are probably bad and the vibration of the running man unit motor is enough to make them flicker.