Kerry, some owners have success with chrome or aluminized tape carefully applied. The reflective plating inside the tail light buckets was extremely thin; virtually any polishing strips it right off.
PANTERA INTERNATIONAL
A DE TOMASO CAR CLUB
Presents the De Tomaso Forums
The On-Line Meeting Place for De Tomaso Owners and Enthusiasts From Around the World
Clicking on the banner will take you to the sponsor's website.