the ecu has nothing to do with them, however it could be evidence of an electrical fault that caused the initial ecu failure.
checkthe bulbs first, then get a multimeter and test for a voltage signal, working back through the circuit until you find power, then you know where the fault is.
hi tried what you have said everything fine getting power, took ecu box behind fusebox back off then put it back in now everything is going mental lights coming on when they are turned off back window wiper coming on when it is off keeps cutting out please help as this is driving me mental:bang::bang::bang::bang::bang::bang: