All dash lights are out on 1970 Chevelle ss. All fuses appear intact, but I can't be sure which fuse is for the dash lights. How do I troubleshoot this? Is there a wiring connection for the dash that may have come loose? Thanks...

Since you didn't mention that you checked this, did you turn the headlight switch all the way, both directions?

Yes, I checked the headlight switch both ways which didn't work. I also read where the tail lights are fused with the dash lights. The tail lights are working.

when you checked all the fuses, did you do just do a visual inspection, or did you use a multimeter or test light as well?

Turn on the parking or headlamps, with a meter or test light check for power on both sides of the dash light fuse. Dash light fuse is the shortest fuse in the fuse box (INST LPS)


http://www.chevelles.com/showroom/data/500/DSC00923.JPG