The following service bulletins from Delco apply to all 1963 Corvettes equipped with RPO #U65 - Signal Seeking AM Band Radio:
Article ID: 1171
Created: February 9, 2015
Last Updated: February 9, 2015
Online URL: https://www.corvetteactioncenter.com/tech/knowledgebase/article/1963-corvette-delco-service-bulletins-delco-radio-service-1171.html