Amazon.com: JEGS Dimmer Switch | GM Style | Floor Mount | 3-Blade Terminal Connections | Mounts Via Two 7/32” Diameter Holes (1-5/8” On Center) | 12 Volt : Automotive
60-80 GM Passenger Car Floor Mounted Headlight Dimmer Switch DS-72 General Motor | eBay
A-Team Performance Headlight Switch Dash Dimmer Billet Aluminum with Standard 8 Terminal GM Plug Compatible with 1968-1984 Chevy GM Street Rod Truck or Rat Rod Build — Southwest Performance Parts
RESTOPARTS - 1961-1979 GM Standard Headlight Dimmer Switch @ OPGI.com
Headlight Dimmer Switch for GM | Mill Supply, Inc.