Auto Parts: dim dash lights, dash lights, voltage reg

Question
i have 75 torino my dash lights are dim i replaced alt,bulds,voltage reg, and there still dim what could it be.  

Answer
did you try checking the dimmer switch itself? most of the time that is the culprit. after being in the same spot for so long( most people don't adjust there dash lights) it has probably corroded where the contacst are. start by just turning the switch a couple of times to see if you can "self clean" the contacts. if that doesn't work just replace it it should be more than a bout ten dollars.