My dash lights will go out sometimes when I hit a bump. It's a problem with the switch. This wasn't too bothersome when I was at 6-volts but my lights are so nice and bright at 12-volts, it's really startling when the dash goes dark. My headlights aren't affected thank goodness.

1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.