THE 72 RS CHEVELLE GETS ALL NEW WIRING FROM AMERICAN AUTOWIRE USING THERE HIGHWAY 22 KIT WITH NEW PASS-THROUGH BULKHEAD CONNECTOR.
link to zip ties
https://amzn.to/4en4TN0
crimp tool
https://amzn.to/4dhDgUN
connector
https://amzn.to/4eCqSjj
https://amzn.to/4gOJej8