I have several z-4000 that all have the same problem. I have to use one z-4000 to run the accessories on are modular layout. The layout is split into two separate accessory circuits, each drawing about 7.5 amps current. I use the variable outputs set at 15 volts. the problem is that which every circuit is connected to the left hand side has a slight fluctuation in it and the lights will blink. This is true of 4 different z-4000s. Does anyone have a clue?
Thanks mel