I thought one of the recommended changes for ALL Pantera brake systems was to remove the shuttle valve. Am I mistaken? I seem to recall that a lot of guys mount a typical Ford or GM plunger switch under the dash to actuate the brake lights.
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.