1990 240sx dash lights out

[bruce_240sx]

1990 240sx dash and a/c unit lights out, replace TCU, check the combo switch, change the dimmer switch, checked all fuses. SOMEONE PLEASE HELP!!!

Thanks

[zooopreme]

bulb lights are out?

[bruce_240sx]

I found the problem, the replacement dimmer switch was bad. I tested to see if there was current going through the wires and there was. had power going in the dimmer switch but none coming out.