- Official Post
Here is an Ebay auction for an NOS C7ZZ 15520 A backup light switch by Ebay member "margeracsalva" with a Buy-It-Now of $125.00:
1967 1968 FORD MUSTANG AND SHELBY GT 500 4 SPEED BACKUP LIGHT SWITCH NOS. Brand new in the original Ford box. Your little pony only deserves the best and here it is!
https://www.ebay.com/itm/1967-1968-…&orig_cvip=true
-Fred-